Day 29 of the CAT 2025 Success Roadmap marks a focused step forward in refining problem-solving skills and strategic thinking. Today’s article covers essential topics, including Time and Work from Quantitative Aptitude, Miscellaneous DILR questions, and Reading Comprehension PYQs. Each section is designed to strengthen conceptual clarity, boost precision, and build familiarity with actual exam patterns of CAT 2025. As part of the larger CAT Preparation 2025 in 60 days plan, this session plays a key role in shaping a confident and exam-ready mindset.
Mastering Time and Work questions is essential for scoring well in the Quantitative Aptitude section of CAT 2025. These questions test your ability to calculate efficiency, ratios, and combined work using logical steps and smart shortcuts.
CAT Time and Work CAT Questions
Students can also take references from the time and work questions pdf for more practice on this topic. Time and Work aptitude questions can be bit tricky but is easy to learn as well. Students should have a clear understanding of the concepts and formulas for the topic.
CAT Syllabus 2025: Important Concept/Formula Used in CAT time and work questions:
Individual work time is given and time taken if working together is asked. (For an equal amount of work) 1/T=1/A+1/B+1/C+…
T is the time taken by all when working together A is the time taken by A when working alone C is the time taken by C when working alone B is the time taken by B when working alone
A group of few members with the same efficiency is working together, then M1. D1.R1/W1=M2. D2.R2/W2 M1, M2 are the number of person D1, D2 time taken by M1 and M2 respectively.
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Efficiency is equal to Total work divided by the time taken.
Previous Year CAT Questions On Time And Work
Below listed are some Time and Work CAT previous year questions for students to learn and grasp the concepts and can also know the level and type of questions given in the examination. There are some Time and Work difficult questions as well listed below which can be helpful for students for reference:
Q1. At their usual efficiency levels, A and B together finish a task in 12 days. If A had worked half as efficiently as she usually does, and B had worked thrice as efficiently as he usually does, the task would have been completed in 9 days. How many days would A take to finish the task if she works alone at her usual efficiency? [CAT exam: 2019]
18
36
24
12
Answer: [1]
Let the efficiency of A and B is x and y respectively.
Then, according to the first condition;
Total amount of work = (x+ y) 12
If A had worked half as efficiently as she usually does, and B had worked thrice as efficiently as he usually does
Total amount of work = (x/2 + 3y) 9
Both works should be equal,
So, (x+ y) 12= (x/2 + 3y) 9
On solving, x = 2y
Let A will take D days if she works alone;
Total work = xD = (x+ y) 12
Put x = 2y in the above equation;
2y D = (2y + y) 12
On solving, we get D = 18 days.
Q2. When they work alone, B needs 25% more time to finish a job than A does. They two finish the job in 13 days in the following manner: A works alone till half the job is done, then A and B work together for four days, and finally B works alone to complete the remaining 5% of the job. In how many days can B alone finish the entire job? [CAT exam: 2018]
16
20
22
18
Solution: [2]
Since B took 25% more time than B
Let A and B finish a job in 4x and 5x days respectively.
45 % of the work was done by A and B together in 4 days since A did 50% of the work and B did 5% work alone.
Therefore, A and B together can finish the 100% job in 4x 100/45 = 80/9 days.
So,
4x.5x/4x+5x=80/9
On solving, we get x = 4.
So, B alone can finish the job in 20 days.
Important Concepts to Solve Time and Work Questions
Time and Work questions in the CAT test your understanding of efficiency, ratios, and logical thinking. Knowing the right concepts and formulas can help you solve them quickly and accurately, especially under time pressure during the exam.
Work = Time × Efficiency This is the base formula for most questions. If a person can do a task in 5 days, their efficiency is 1/5 of the work per day.
Unit Work Method Assume total work as a unit (usually 1 or a common multiple) to simplify calculations. This helps in comparing the work done by multiple people or machines.
HCF LCM Approach Take the LCM of the given days to assume total work units. This makes the division of work and combined efforts easier to calculate.
Efficiency Ratio If A is twice as efficient as B, then A’s one-day work is 2 times that of B. Use such ratios to distribute workload and calculate time.
Work and Wages If multiple people work together and get paid, their wages are distributed in the ratio of work done by each. Calculate individual work contribution first.
Pipes and Cisterns (Variation) Pipe filling or emptying tanks follows the same logic as Time and Work. Inlet = positive work, outlet = negative work. Combine rates to get the net flow.
Alternate Days Work In some questions, two people work on alternate days. Calculate work done in 2-day cycles, then scale up based on the total days or remaining work.
Tips and Tricks for CAT Time and Work questions
Total work can be taken as LCM of time taken by all the individuals.
Dividing questions concept-wise may help in preparation.
Time taken by A and B is x days and y days, then the efficiency of A and B will be in the ratio of y: x.
The wages for any amount of work are directly proportional to the amount of work.
Questions about Pipes and Cisterns are solved by using the concept of Time and Work.
Total Work = Efficiency x Time taken.
Time taken by A and B is x days and y days, then both together will finish the work in xy/(x+ y) days.
CAT study material: References to Study Theory
How to Prepare for Quantitative Aptitude for CAT by Arun Sharma (7th Edition: Page No 309- 314)
Part 2: CAT 2025 Logical Reasoning and Data Interpretation
CAT previous years questions Comprehension (RC for CAT):
Eight friends: Ajit, Byomkesh, Gargi, Jayanta, Kikira, Manik, Prodosh and Tapesh are going to Delhi from Kolkata on a flight operated by Cheap Air. In the flight, sitting is arranged in 30 rows, numbered 1 to 30, each consisting of 6 seats, marked by letters A to F from left to right, respectively. Seat A to C is to the left of the aisle (the passage running from the front of the aircraft to the back), and seats D to F are to the right of the aisle. Seats A and F are by the windows and referred to as Window seats, C and D are by the aisle and are referred to as Aisle seats while B and E are referred to as Middle seats. Seats marked by consecutive letters are called consecutive seats (or seats next to each other). A seat number is a combination of the row number, followed by the letter indicating the position in the row; e.g., 1A is the left window seat in the first row, while 12E is the right middle seat in the 12th row.
Cheap Air charges Rs. 1000 extra for any seats in Rows 1, 12 and 13 as those have extra legroom. For Rows 2-10, it charges Rs. 300 extra for Window seats and Rs. 500 extra for Aisle seats. For Rows 11 and 14 to 20, it charges Rs. 200 extra for Window seats and Rs. 400 extra for Aisle seats. All other seats are available at no extra charge.
The following are known:
The eight friends were seated in six different rows. They occupied 3 Window seats, 4 Aisle seats and 1 Middle seat. Seven of them had to pay extra amounts, totalling Rs. 4600, for their choices of seats. One of them did not pay any additional amount for his/her choice of seat.
Jayanta, Ajit and Byomkesh were sitting in seats marked by the same letter, in consecutive rows in increasing order of row numbers; but all of them paid different amounts for their choices of seats. One of these amounts may be zero.
Gargi was sitting next to Kikira, and Manik was sitting next to Jayanta.
Prodosh and Tapesh were sitting in seats marked by the same letter, in consecutive rows in increasing order of row numbers; but they paid different amounts for their choices of the seat. One of these amounts may be zero. [CAT exam: 2017 Slot-2]
Q1. In which row was Manik sitting?
10
11
12
13
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Q2. How much extra did Jayanta pay for his choice of the seat?
Rs. 300
Rs. 400
Rs. 500
Rs. 1000
Q3. How much extra did Gargi pay for her choice of the seat?
0
Rs. 300
Rs. 500
Rs. 1000
Q4. Who among the following did not pay any extra amount for his/her choice of the seat?
Kikira
Manik
Gargi
Tapesh
Solution:
CAT Tip 1: Use the Initial letter for each name
CAT Tip 2: Write Concrete information
8 friends, six different rows, 3 window seats, 4 Aisle seats, 1 middle seat.
7 paid extra amounts of Rs 4600 (Total)
J, A, and B are in consecutive rows with increasing numbers paid different amounts in seats marked by the same alphabet. So, the only possibility is rows 10, 11 or 12. All three Aisle or all three windows.
P and T were sitting in seats marked by the same letter, in consecutive rows in increasing order of row numbers; but they paid different amounts for their choices of the seat. One of these amounts may be zero.
Possibilities: 1 and 2 or 13 and 14 or 20 and 21. If JAB took window seats, they would take Aisle Seats and vice versa.
Gargi was sitting next to Kikira, and Manik was sitting next to Jayanta.
CAT Tip 3: Look for all the possibilities
Case 1: J, A, and B took Window seats
P, and T will take Aisle seats
If J is in the Window seat, then Manik (Row 10) must be in the middle seat.
G, K must be in two Aisle seats
Now, look for extra cost; for window seats of J, A, B = 300 + 200 + 1000 = 1500
For P, T: (Aisle Seats)
There are three Possibilities again
Row 1 and 2
1000 + 500 = 1500
Row 13 and 14
1000 + 400 = 1400
Row 20 and 21
400 + 0 = 400
If G and K sit in row either 1 or 13, the extra cost will be Rs 2000. In this case total extra cost will be either less than 4600 or greater than 4600.
If G and K sit in rows other than 1 and 13, maximum extra cost will be Rs 1000; In this case total of extra amount will be less than 4600.
Therefore, this case is not possible.
Case 2: J, A, B took Aisle seats
P, T will take Window seats
If J is in the Aisle seat, then Manik (Row 10) must be in the Aisle seat.
G, K must be in middle seat and window seat (Interchangeable)
Now, look for extra cost; for Aisle seats of J, A, B and M = 500 + 400 + 1000 + 500 = 2400
For P, T: (Window Seats)
There are three Possibilities again
Row 1 and 2
1000 + 300 = 1300
Row 13 and 14
1000 + 200 = 1200
Row 20 and 21
200 + 0 = 200
If G and K sit in row either 1 or 13, the extra cost will be Rs 2000. In this case, total extra cost will be equal to 4600 if P and T are in rows 20 and 21.
If G and K sit in rows other than 1 and 13, the extra cost cannot be 4600.
CAT Tip 4: Draw Final Table
Row 0No
A (Window)
B (Middle)
C (Aisle)
D
(Aisle)
E
(Middle)
F
(Window)
EXTRA COST
10
J
M
1000
11
A
400
12
B
1000
1/13
G/K
K/G
2000
20
P
200
21
T
0
Answers:
Q1. (1)
Q2. (3)
Q3. (4)
Q4. (4)
CAT entrance exam: Prerequisite:
The basics of LR include Direction Sense, Blood Relation, and Ranking.
Selection, Distribution and Arrangement-based Puzzles
Tips to Solve CAT Data Interpretation and Logical Reasoning Questions
Data Interpretation and Logical Reasoning (DILR) in CAT is all about smart thinking, pattern recognition, and time management. With regular practice and the right approach, you can handle complex sets confidently and boost your overall CAT score.
1. Understand the Question First, Don’t Rush
Before jumping into calculations, carefully read the entire set and instructions. Understand what the question is asking, identify variables, and note any constraints. Misreading one line can lead to the wrong path, wasting time and effort.
2. Choose the Right Sets to Attempt
You don’t have to solve all the DILR sets. Pick the ones that seem familiar or less time-consuming. Sometimes the easiest set is at the bottom. Quickly scan all sets in the beginning and make smart selections.
3. Practice Different Set Types Regularly
DILR questions can include tables, bar graphs, puzzles, seating arrangements, and more. Regularly practice a mix of these formats to build flexibility. This ensures you don’t get stuck if the pattern changes in the actual exam.
4. Improve Calculation Speed and Accuracy
Strengthen your mental math and learn shortcuts for common operations like percentages, ratios, and averages. Use approximation where needed and double-check your values. Fast and accurate calculations can save precious minutes.
5. Use Rough Work Smartly
Organize your rough work neatly so you can refer back if needed. Use tables, flowcharts, or symbols to track data and logic steps. Clear and structured working helps avoid confusion and allows faster revisions if time permits.
CAT Tips and Tricks:
Individualise the multiple concepts used in the puzzle.
Individual tables are drawn for each category.
Use Concrete information first.
Consider all the possibilities.
Eliminate the wrong possibilities
CAT Syllabus 2025: References to Study (Theory):
Verbal and Non-Verbal Reasoning by R S Agrawal (Pg No 384- 388)
Read the passage and answer the question based on it.
The end of the age of the internal combustion engine is in sight. There are small signs everywhere: the shift to hybrid vehicles is already under way among manufacturers. Volvo has announced it will make no purely petrol-engined cars after 2019...and Tesla
has just started selling its first electric car aimed squarely at the middle classes: the Tesla 3 sells for $35,000 in the US, and 400,000 people have put down a small, refundable deposit towards one. Several thousand have already taken delivery, and the company hopes to sell half a million more next year. This is a remarkable figure for a machine with a fairly short range and a very limited number of specialised charging stations.
Some of it reflects the remarkable abilities of Elon Musk, the company's founder, as a salesman, engineer, and a man able to get the most out of his factory workers and the governments he deals with... Mr Musk is selling a dream that the world wants to believe in.
This last may be the most important factor in the story. The private car is...a device of immense practical help and economic significance but at the same time a theatre for myths of unattainable self-fulfilment. The one thing you will never see in a car
advertisement is traffic, even though that is the element in which drivers spend their lives. Every single driver in a traffic jam is trying to escape from it, yet it is the inevitable consequence of mass car ownership.
The sleek and swift electric car is at one level merely the most contemporary fantasy of autonomy and power. But it might also disrupt our exterior landscapes nearly as much as the fossil fuel-engine car did in the last century. Electrical cars would of course pollute far less than fossil fuel-driven ones; instead of oil reserves, the rarest materials for batteries would make undeserving despots and their dynasties fantastically rich. Petrol stations would disappear. The air in cities would once more be breathable and their streets as quiet as those of Venice. This isn't an unmixed good. Cars that were as silent as bicycles would still be as dangerous as they are now to anyone they hit without audible warning.
The dream goes further than that. The electric cars of the future will be so thoroughly equipped with sensors and reaction mechanisms that they will never hit anyone. Just as brakes don't let you skid today, the steering wheel of tomorrow will swerve
you away from danger before you have even noticed it...
This is where the fantasy of autonomy comes full circle. The logical outcome of cars which need no driver is that they will become cars which need no owner either. Instead, they will work as taxis do, summoned at will but only for the journeys we actually need. This is the future towards which Uber...is working. The ultimate development of the private car will be to reinvent public transport. Traffic jams will be abolished only when the private car becomes a public utility. What then will happen to our fantasies of independence? We'll all have to take electrically powered bicycles. [CAT exam: 2017]
Q1. Which of the following statements best reflects the author's argument?
Hybrid and electric vehicles signal the end of the age of internal combustion engines.
Elon Musk is a remarkably gifted salesman.
The private car represents an unattainable myth of independence.
The future Uber car will be environmentally friendlier than even the Tesla.
Ans: C
CAT Tips and Tricks: Look for the idea of the passage, and the argument will be related to it.
(B) and (D) are not argumentative statements.
From the last line of the second paragraph to the third paragraph gave your answer.
Q2. The author points out all of the following about electric cars EXCEPT
Their reliance on rare materials for batteries will support despotic rule.
They will reduce air and noise pollution.
They will not decrease the number of traffic jams.
They will ultimately undermine rather than further driver autonomy.
Ans: D
CAT Tips and Tricks: Search the statements to eliminate the irrelevant options
Option A: True (4th paragraph)
Option B: True (4th paragraph)
Option C: True (4th paragraph)
Q3. According to the author, the main reason for Tesla's remarkable sales is that
In the long run, Tesla is more cost-effective than fossil fuel-driven cars.
The US government has announced a tax subsidy for Tesla buyers.
The company is rapidly upscaling the number of specialised charging stations for customer convenience.
People believe in the autonomy represented by private cars.
Ans: D
CAT Tips and Tricks: Go through options and search in the passage
the 4th paragraph makes option D correct.
Q4. The author comes to the conclusion that
car drivers will no longer own cars but will have to use public transport.
cars will be controlled by technology that is more efficient than car drivers.
car drivers dream of autonomy but the future may be public transport.
electrically powered bicycles are the only way to achieve autonomy in transportation
Ans: C
Explanation: In the last paragraph, the author says “The logical outcome of cars which need no driver is that they will need no owner either”. This means that they will become public transport.
CAT 2025: Prerequisite:
Fluency/Skipping in reading
Understanding of the phrases
Phrasal verbs
CAT 2025: References to Study (Theory):
How to Prepare for Verbal Ability and Reading Comprehension for CAT’- by Arun Sharma & Meenakshi Upadhyay
Careers360 offers a broad set of free downloadable CAT eBooks and sample papers featuring chapter-wise practice, formulas, and exam strategies. These include comprehensive PDF guides for Quant, DILR, and VARC preparation ideal for self-study with full syllabus coverage
Q: Is it important to combine Quant, DILR, and VARC prep daily?
A:
Yes, because CAT tests your ability to switch between different types of thinking. A well-balanced prep plan keeps you from becoming too strong in one section while neglecting others.
Q: How often should I solve CAT Reading Comprehension PYQs?
A:
Make RC PYQs a weekly habit, ideally 2–3 passages each week. Focus less on speed in the beginning and more on understanding the passage and choosing the most logical answers
Q: What are DILR miscellaneous questions and how should I prepare for them?
A:
Miscellaneous DILR sets are usually logic-heavy and don’t follow fixed patterns. These could be puzzles, tournament setups, or data arrangement problems. The best approach is to solve at least one such set daily.
Q: How can I master Time and Work questions in CAT?
A:
Start by building a strong grip on core concepts like efficiency, work-time equations, and the LCM method. Once the basics are clear, practice a wide range of CAT-level questions regularly and track how long each one takes.
Q: How can these practice sets help in my CAT 2025 preparation?
A:
They assist in enhancing speed, accuracy, time management, and exposure to a variety of question types in QA, DILR, and VARC.
Q: Are these CAT 2025 practice questions based on the actual exam pattern?
A:
Yes, all questions are crafted to match the difficulty level, format, and topic distribution of the real CAT exam to enable realistic practice.
Q: Are solutions provided for every question?
A:
Yes, step-by-step detailed solutions are provided for every question so that you can see the concepts and methods clearly.
Q: How often should I attempt these practice sets?
A:
Practically, practice one complete set per day and review your performance to monitor progress and detect weak points.
Q: Can beginners also use these practice sets effectively?
A:
Yes. These sets are for all levels—beginners can begin slowly and utilize the solutions for learning, while advanced learners can utilize them for speed and revision.
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The CAT 2025 exam is a national-level MBA entrance test for IIMs and top B-schools in India. It will be held on 30th November 2025 in computer-based mode across ~170 cities.
The registration is open from 1st August to 13th September 2025 on
iimcat.ac.in
.
Admit cards will be available from 5th November 2025 onward.
Graduates with at least 50 marks (45 for SC/ST/PwD) are eligible to apply.
The exam tests English, Reasoning, and Quantitative Aptitude in three timed sections.
With 305 marks in ICAR PG and being from ST category, your chances of getting an AIEEA (CAT) seat is good, especially in plant sciences and less competitive subjects
M/s Deloitte Touche Tohmatsu Limited, one of the top four audit and accounting firms in the world with headquarters at London, UK, and with an operational presence in 153 countries, hires Management Trainees (MT) from all the premier management institutes of India thrice every year, in the months of January, May and September.
Each new group of Management Trainees (MT) have to go through a four month rigorous training schedule, after which they have to pass through a test consisting of a written assessment and a case-analysis. The top hundred ranked Management Trainees (MT) based on the performance in the test are confirmed as Management Executives (ME). The rest are given the opportunity of undergoing the training for four months one more time along with the next batch of Management Trainees (MT) and then passing through the subsequent test consisting of the written assessment and case-analysis. The Management Trainee (MT) who fails to get confirmed as a Management Executive (ME) the second time is fired.
The scatter-graph below depicts the number of Management Trainees (MT) at Deloitte taking the tests from January 2020 till May 2022, and the vis-à-vis hired Management Trainees (MT) at Deloitte who were fired :
It is also known that for the month of September 2019 at Deloitte, 96 hired Management Trainees (MT) failed to be confirmed as a Management Executive (ME) the first time, and that 36 hired Management Trainees (MT) were fired.
Question :
In which test did the minimum number of Management Trainees (MT) get confirmed as a Management Executive (ME) in the second attempt ?
Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'.
They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared.
They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders.
On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries.
On the backdrop of the above information answer the questions given :
Question:
Assuming that the next customer's order could only be attended to when the previous customer's order was closed, at what time would the first customer's order be considered closed ?
Six sticks of equal lengths were kept in the vertical position in an empty flower-vase, to be arranged at the six corners of a regular hexagon. The two ends of each of the sticks were of different colours.
The top ends of the sticks were one of each of the following colours – Red, Cyan, Pink, Brown, Black and Green. The bottom ends were one of each of the following colours – Blue, Yellow, White, Orange, Purple and Grey. Both the sets of colours mentioned were in no particular order.
It was also known that :
a) The stick with the red colour was opposite to the stick with the blue colour
b) There were exactly two sticks whose both ends had colours whose names started with the same letter
c) The stick with the grey colour was adjacent to the stick with the white colour
d) The stick with the cyan colour was adjacent to both the sticks with the brown colour and the one with the blue colour
e) The stick with the purple colour was adjacent to both the sticks with the grey colour and the one with the green colour
f) The stick with the white colour was opposite to the stick with the green colour
Question :
What was the colour of the bottom end of the stick having brown colour at the top end ?
Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'.
They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared.
They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders.
On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries.
On the backdrop of the above information answer the questions given :
Question:
Assuming that the next customer's order could only be attended to when the previous customer's order was closed, at what time would the third customer's order be considered closed ?
Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'.
They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared.
They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders.
On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries.
On the backdrop of the above information answer the questions given :
Question:
Suppose Moloy and Niloy had decided to process multiple orders at the same time, however strictly prioritising a first come first serve basis, when would the second customer's order be considered closed ?
Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'.
They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared.
They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders.
On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries.
On the backdrop of the above information answer the questions given :
Question:
Suppose Moloy and Niloy had decided to process multiple orders at the same time, however strictly prioritising a first come first serve basis, when would the third customer's order be considered closed ?
Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'.
They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared.
They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders.
On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries.
On the backdrop of the above information answer the questions given :
Question:
A fourth customer comes in and orders two plates of French Toast at 6.24 pm. Suppose Moloy and Niloy had decided to process multiple orders at the same time, however strictly prioritising a first come first serve basis. For exactly how many minutes would one of the friends be idle from 6.00 pm till serving the last customer, assuming that the four customers were the only ones to have come in within the period being discussed ?
Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'.
They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared.
They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders.
On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries.
On the backdrop of the above information answer the questions given :
Question:
Had Niloy been absent on that day, and assuming that the next customer's order could only be attended to when the previous customer's order was closed, at what time would the fourth customer's order (refer to the previous question) be considered closed ?
The bar-graph given below shows the foreign exchange reserves of Nepal (in million Rupees) from 2014 to 2021. Answer the following questions based on the graph :
Question:
What was the percentage increase (rounded to the nearest integer, if deemed necessary) in the foreign exchange reserves in 2020 over 2016 ?
The Jadavpur University’s Prince Anwar Shah Road hostel consists of two large separate buildings, one for the ladies and the other for the gents, while having a common kitchen and dining hall. It is the hostel of the CS and the EEC department of engineering students of the university.
In recognition of the growing dissatisfaction and hence complaints among the inmates of the hostel regarding the menu served for dinner, the Dean of the engineering department, Dr Aparesh Sanyal, personally decided to investigate the matter. He set about collecting information about the preference of dinner among the inmates, separately from the gents and the ladies wing of the hostel.
Dr Sanyal was able to gather the following partial information :
Hostel inmates
Menu preference for dinner
Total
Egg Meal
Fish Meal
Chicken Meal
Gents
20
Ladies
64
Total
60
The Warden of the hostel was consulted, who after investigation declared that the following facts were clear :
1. Forty percent of the hostel inmates were ladies
2. One-third of the gentlemen inmates preferred an egg meal for dinner
3. Half the hostel inmates preferred either fish meal or chicken meal
Question:
What proportion of the lady hostel inmates preferred a fish meal for dinner ?
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