How to prepare for CAT 2025 DI & LR: Data Interpretation and Logical Reasoning forms the 1/3rd section of the CAT 2025 examination. As per last year's exam analysis, the CAT 2025 DI & LR section will account for 24 to 26 questions. Hence, candidates should give special emphasis while preparing for this section. The questions asked in the CAT 2025 DILR section are tricky and complex. Hence, candidates must use resources like books and previous year questions for CAT 2025 exam preparations. These help in creating a strong foundation for Logical Reasoning and Data Interpretation, and also aid in overall practice.
This Story also Contains
What is DILR in CAT 2025?
Most Important MCQs for CAT DILR 2025
Understanding CAT DILR Exam Pattern
CAT Data Interpretation Logical Reasoning Syllabus
Types of DILR Questions Asked in the CAT Exam
Best Books for Data Interpretation Logical Reasoning
CAT DILR Previous Year Questions
How to Solve CAT DILR Questions?
CAT DILR Preparation Strategy 2025
Important Ebooks for CAT DILR Preparation
DILR CAT Questions 2025
In this article, we have discussed important MCQs, types of questions asked in the CAT 2025 DILR section, best books and preparation strategies to ace the section with high marks.
What is DILR in CAT 2025?
Data Interpretation and Logical Reasoning (DILR) is one of the most important sections in the CAT exam, contributing nearly one-third of the total marks. This section is often considered the toughest by many aspirants due to its variety of question types, including puzzles, graphs, charts, and complex data sets. To excel in CAT DILR, it is essential to have a clear understanding of the detailed CAT DILR syllabus and practice rigorously using the previous year’s CAT DILR questions (PYQs). Consistent practice helps improve problem-solving speed and accuracy. Developing strong analytical skills and mastering time management during the exam are crucial.
Watch Careers360's Exclusive Video on DILR Preparation Strategies
Most Important MCQs for CAT DILR 2025
Practising the most important MCQs for CAT DILR 2025 helps improve speed, accuracy, and logical thinking. Focus on puzzles, seating arrangements, data tables, and caselets to build confidence. Solving well-picked questions daily strengthens your ability to handle complex sets efficiently.
The DILR section in the CAT exam measures how well you can interpret data and apply logical reasoning to solve problems efficiently. This part is critical because it requires quick thinking and accuracy under pressure. Candidates should deeply study the syllabus and engage in regular practice with a wide range of problems to master CAT DILR.
CAT Data Interpretation Logical Reasoning Syllabus
To prepare well for the CAT, it’s crucial to fully grasp the complete exam syllabus. Pay special attention to the DILR section syllabus allows candidates to concentrate on important areas.
CAT Data Interpretation Logical Reasoning Syllabus
In this section, we will explore the different types of questions asked in the CAT DILR section. Understanding these question formats is essential as it helps candidates develop effective strategies to solve them efficiently.
Data Interpretation Sample Questions
1. Study the scatter graph given below which contains the sales of a firm during the first 6 months of 2023 and answer the questions that follow. Sales are measured in dollars
In which month was the greatest improvement in sales seen?
January
March
April
May
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April to March: 25,000 - 40,000 = -15,000 (This is a drop in sales)
May to April: 35,000 - 25,000 = 10,000
June to May: 30,000 - 35,000 = -5,000 (This is a drop in sales)
The greatest improvement in sales is observed in March, where sales increased by 25,000 compared to the previous month, February. So, the greatest improvement was seen in March.
2. In which month was the greatest dip seen?
February
May
April
June
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Comprehensive CAT prep guide with focused practice on Verbal Ability, Data Interpretation & Logical Reasoning, and Quantitative Aptitude.
April to March: 25,000 - 40,000 = -15,000 (This is a drop in sales)
May to April: 35,000 - 25,000 = 10,000
June to May: 30,000 - 35,000 = -5,000 (This is a drop in sales)
Therefore, the greatest dip is observed in April, where sales decreased by 15,000 compared to the previous month, March. So, the greatest dip was seen in April.
3. What is the ratio of total sales in the first three months to total sales in the last three months?
13:18
18:13
1:3
3:1
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Average Sales = 25,833.33 (rounded to two decimal places)
So, the average sales in dollars is approximately 25,833.33.
5. Find the difference between the month that had the highest sales and the month that had the least.
$25,000
$40,000
$5,000
$30,000
Solution:
Given the sales in dollars:
March had the highest sales with $40,000.
January had the least sales with $10,000.
To find the difference:
Difference = Sales in March - Sales in January
Difference = 40,000 - 10,000
Difference = $30,000
So, the difference between the month with the highest sales (March) and the month with the least sales (January) is $30,000.
Logical Reasoning Sample Questions
1. Direction: Eight individuals, Emily, Francis, George, Henry, Isabella, Jacob, Kevin, and Liam, are seated around a square table with two on each side.
Among them, three are ladies, and they are not seated next to each other. Jacob is situated between Liam and Francis. George is seated between Isabella and Francis. Henry, a lady member, is seated second to the left of Jacob. Francis, a male member, is seated opposite Emily, a lady member. There is a lady member seated between Francis and Isabella.
Question: Who are the immediate neighbours of Isabella?
Emily and George
George and Francis
Henry and Liam
Jacob and Isabella
Solution:
It can be seen from the above diagram that Isabella is sitting between George and Emily and hence they are the neighbours of Isabella.
2. Who sits in between George and Jacob?
Emily
Francis
Henry
Liam
Solution:
We can see from the above representation that Francis sits in between Jacob and Henry
3. How many people sit between Kevin and Francis?
3
1
2
0
Solution:
From the above square seating representation, it can be seen that three people (Emily, Isabella and George) sit between Kevin and Francis.
4. Who sits second to the left of George?
Emily
Henry
Jacob
Katherine
Solution:
The second to the left of George can be found by moving clockwise from George to two positions. It will end in Jacob and hence, he sits second to the left of George
5. What is the position of Henry?
To the left of George and Isabella
To the right of Jacob and Felicia
Between Kevin and Liam
Opposite to Emily
Solution:
Given above is the representation of the seating of all 8 members. It can be seen that Henry is seated between Kevin and Liam.
Best Books for Data Interpretation Logical Reasoning
Choosing the right books is essential to prepare effectively for the Data Interpretation and Logical Reasoning section of CAT. These CAT books 2025 cover a wide range of question types, strategies, and practice sets to build accuracy and speed. Candidates must use the books along with CAT Question Papers to prepare accordingly. Go through the table to know about the CAT DILR book name:
DILR Book Name
Author/Publisher
How to Prepare for DILR for CAT
Arun Sharma
Logical Reasoning and Data Interpretation for the CAT
Nishit K. Sinha
Data Interpretation & Logical Reasoning for CAT
Pearson
A Modern Approach to Logical Reasoning
R.S. Aggarwal
CAT DILR Previous Year Questions
The candidates can refer to a few CAT DILR questions from last year's examination.
The air-conditioner (AC) in a large room can be operated either in REGULAR mode or in POWER mode to reduce the temperature.
If the AC operates in REGULAR mode, then it brings down the temperature inside the room (called inside temperature) at a constant rate to the set temperature in 1 hour. If it operates in POWER mode, then this is achieved in 30 minutes.
If the AC is switched off, then the inside temperature rises at a constant rate so as to reach the temperature outside at the time of switching off in 1 hour.
The temperature outside has been falling at a constant rate from 7 pm onward until 3 am on a particular night. The following graph shows the inside temperature between 11 pm (23:00) and 2 am (2:00) that night.
The following facts are known about the AC operation that night:
The AC was turned on for the first time that night at 11 pm (23:00).
The AC setting was changed (including turning it on/off and setting different temperatures) only at the beginning of the hour or 30 minutes after the hour.
The AC was used in POWER mode for a longer duration than in REGULAR mode during this 3-hour period.
1. Question: How many times the AC must have been turned off between 11:01 pm and 1:59 am?
Options:
2
cannot be determined
1
0
2. Question: What was the temperature outside, in degrees Celsius, at 1 am?
3. Question: What was the temperature outside, in degrees Celsius, at 9 pm?
4. Question: What best can be concluded about the number of times the AC must have either been turned on or the AC temperature setting been altered between 11:01 pm and 1:59 am?
Options:
More than 3
Exactly 2
Exactly 3
Either 2 or 3
5. Question: What was the maximum difference between the temperature outside and inside temperature, in degrees Celsius, between 11:01 pm and 1:59 am?
DILR questions in CAT test your ability to interpret data and apply logical reasoning to solve problems. These questions often involve tables, graphs, puzzles, and arrangements. Focus on identifying easy sets, and managing time efficiently to build accuracy and speed.
Tips to Solve Data Interpretation Questions
1. Carefully analyse the data presented in charts or tables before attempting questions.
Before diving into calculations, take a moment to examine the data provided thoroughly. Understand the type of chart (bar, pie, line graph, table, etc.) and what information it conveys. Identify units, periods, categories, and any trends visible. This initial overview helps prevent mistakes and ensures you interpret the data correctly.
2. Identify key trends, ratios, and percentages to simplify calculations.
Spotting important patterns, ratios, or percentage changes in the data can simplify complex problems. Instead of solving every detail, focus on key relationships between data points. For example, calculating percentage increases or decreases or finding ratios between categories often leads to quicker solutions.
3. Use approximation to save time without compromising accuracy.
Data Interpretation questions often allow for rounding off numbers to save time. Use approximations where precise calculations are not required, especially with large or complex figures. This strategy speeds up solving while maintaining sufficient accuracy to choose the correct option. However, avoid over-approximating, which can lead to errors. Regular practice will help develop a sense of when and how much to approximate effectively.
4. Break complex data sets into smaller, manageable parts.
When faced with large or complicated data tables, divide the information into smaller sections. Focus on one segment at a time instead of trying to analyse everything simultaneously. This reduces cognitive overload and helps in better understanding. Answer questions related to each segment before combining insights to solve bigger problems.
5. Avoid unnecessary calculations by focusing on relevant information.
Many DI questions contain extra data that isn’t needed to answer the specific query. Identify and ignore irrelevant information to save time. Carefully read the question to understand what exactly is being asked. This prevents wasting effort on needless calculations.
6. Practice regularly with diverse DI sets to improve speed and accuracy.
Consistent practice is essential to mastering DI questions. Work on various question types, including tables, graphs, charts, and caselets. Exposure to different data formats builds familiarity and enhances your ability to interpret data quickly. Regular practice also helps in developing shortcuts, spotting patterns, and reducing calculation errors.
Tips to Solve Logical Reasoning Questions
Read on to know about the major tips to solve CAT Logical Reasoning Questions:
1. Read the entire set carefully before attempting questions
Start by thoroughly reading the complete question set. Understand the scenario, constraints, and what is being asked before jumping into answers. This ensures you don’t miss any vital details. Logical Reasoning questions often contain hidden conditions or subtle clues, so reading carefully helps in setting a solid foundation for solving. Avoid assumptions not supported by the given data to maintain accuracy and logical consistency throughout.
2. Organise the data using diagrams or tables
Converting textual information into structured formats like tables, matrices, or diagrams makes it easier to visualise relationships and constraints. Logical puzzles, seating arrangements, or grouping problems become more manageable when you sketch the scenario. This visual approach helps track fixed and variable positions, reduces confusion, and speeds up the solving process. A neat structure also reduces errors and makes it easier to revisit the logic if needed.
3. Start with the definite information first
Always begin solving with the most concrete, fixed pieces of data. Establishing the known facts first helps in narrowing down possibilities for the unknowns. Once you place the definite elements, it becomes easier to apply conditions and make logical deductions. Trying to start with assumptions or unclear clues leads to confusion.
4. Eliminate impossible scenarios through logic
Use the process of elimination to discard options or arrangements that violate given conditions. Logical Reasoning is often about narrowing down choices using constraints rather than solving linearly. Carefully testing each option against all rules and eliminating inconsistent ones helps you arrive at the correct answer faster. This technique also minimises time spent on trial and error and boosts accuracy, especially in complex LR sets with multiple variables.
5. Avoid spending too much time on one set
Time management is key in CAT. If a Logical Reasoning set seems too complex or time-consuming, move on and return later if time allows. Getting stuck on one set can affect your chances of attempting other easier questions. Prioritise solvable sets and maximise your score through smart selection. Practising CAT mock tests will help build the judgment to decide when to move on or stay with a set.
6. Practice consistently with past CAT LR questions
The best way to master Logical Reasoning is consistent practice using past CAT papers and mocks. This helps in understanding the pattern and difficulty level of CAT LR questions. Regular exposure to different types of reasoning problems, arrangements, groupings, and puzzles. It also builds speed, logic, and accuracy. Review your solutions after each practice to understand mistakes and improve. Over time, this habit strengthens your approach and boosts confidence during the actual exam.
CAT DILR Preparation Strategy 2025
Preparing for the DILR section in CAT 2025 requires a smart and focused approach. This section tests analytical thinking and decision-making under pressure. Here are the major preparation tips for CAT DILR 2025:
Start by gaining complete clarity on the CAT DILR exam pattern and syllabus. The section typically includes four sets with 5–6 questions each, covering topics like bar graphs, pie charts, seating arrangements, puzzles, and caselets. Knowing what to expect helps you prioritise topics and tailor your preparation accordingly.
Before attempting advanced-level questions, ensure you are comfortable with basic data interpretation and logical reasoning concepts. Learn to identify patterns, understand relationships, and calculate quickly. Solid foundational skills will help you approach complex sets with better confidence and minimise errors during the exam.
Regularly attempt sectional tests with a strict timer to simulate the exam environment. Focus on accuracy and speed while solving. Reviewing your performance after each test helps you identify weak areas and adjust your strategy. Over time, this improves your ability to handle pressure and manage time effectively.
Studying previous year's CAT DILR questions is one of the best ways to understand the difficulty level and question patterns. Practice sets from the last 5–7 years to recognise recurring types of problems. This helps develop familiarity and better question selection strategies during the actual exam.
Not all DILR sets are of equal difficulty. Learn to quickly scan all sets at the beginning of the section and identify the easiest ones first. Prioritising easy questions boosts confidence and saves time. Avoid spending too long on one set, and move on if stuck.
Important Ebooks for CAT DILR Preparation
The candidates must refer to the DILR Ebooks curated by Careers360. These ebooks are suitable CAT 2025 study materials along with previous year's questions and sample papers. Go through the table below to get the download links for Logical Reasoning and Data Interpretation ebooks.
“How to Prepare for DILR for CAT” by Arun Sharma is widely recommended. It includes conceptual clarity, solved examples, and practice sets suited for CAT-level preparation.
Q: How to start preparing for DILR CAT?
A:
Begin by understanding the exam pattern, solving basic puzzles and data sets, and gradually move to CAT-level questions. Practice daily and analyse your mistakes for improvement.
Q: Is CAT DILR very tough?
A:
Yes, CAT DILR is considered tough due to unpredictable question patterns and time pressure. With regular practice, strategic set selection, and strong reasoning skills, it becomes manageable.
Q: How to score 99 in DILR CAT?
A:
Focus on accuracy, solve at least two sets correctly in mock tests, and practice the previous year's CAT DILR questions. Prioritise smart set selection and time management.
Q: What is a good score in DILR CAT?
A:
A score of 40–45 out of 66 is considered good in DILR and can fetch a 95–99 percentile, depending on the difficulty level of the section.
Q: How do I master DI LR for my CAT?
A:
The important tips to master DI LR of CAT syllabus 2024 are provided in length in the article.
Q: How do I start my CAT preparation for 2024?
A:
Candidates shall start their CAT preparation for 2024 by first getting familiar with the CAT exam syllabus and CAT paper pattern.
Q: How do I prepare for LR DI CAT?
A:
The preparation of LR DI CAT requires the incorporation of the right strategy and lots of practise. Other important tips include time management, solving mock test, analysing weaknesses and gaps.
Q: How can I improve my LR DI?
A:
To improve your hands at DILR questions of CAT, don’t just focus on practicing more and more questions. Instead, focus on the right approach to be used for solving the questions.
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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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