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CAT Introduction to Table based DI - Practice Questions & MCQ

Edited By admin | Updated on Sep 25, 2023 25:47 PM | #CAT

Quick Facts

  • 11 Questions around this concept.

Solve by difficulty

Directions for question:

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 ?

 

 

Directions for question:

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:

How many of the hostel inmates were ladies who preferred a chicken meal for dinner ?

 

 

Directions for question:

In the audition for the 2022 edition of the mega quiz show 'Dadagiri', hosted by the former Indian cricket captain Mr Sourav Ganguly, there were seven rounds to be passed before getting selected for the final show. 

The audition for the Kolkata segment took place simultaneously in five areas – Behala, Ballygunge, Dumdum, Shyambazar and Salt Lake.

The number of auditionees who failed in the different rounds in the five areas is given below :

 

 

Number of auditionees who failed

 

1st Round

2nd Round

3rd Round

4th Round

5th Round

6th Round

7th Round

Behala

76

64

50

42

34

36

22

Ballygunge

42

58

34

42

30

10

14

Dumdum

64

50

48

40

34

26

20

Shyambazar

56

52

56

38

28

20

8

Salt Lake

86

74

52

38

42

26

18

Question:

The number of auditionees in Behala who passed in the fifth round of ‘Dadagiri’ was found to be twice the number who got selected in the final. How many people auditioned for the first round in Behala ?

 

Directions for question:

In the audition for the 2022 edition of the mega quiz show 'Dadagiri', hosted by the former Indian cricket captain Mr Sourav Ganguly, there were seven rounds to be passed before getting selected for the final show. 

The audition for the Kolkata segment took place simultaneously in five areas – Behala, Ballygunge, Dumdum, Shyambazar and Salt Lake.

The number of auditionees who failed in the different rounds in the five areas is given below :

 

 

Number of auditionees who failed

 

1st Round

2nd Round

3rd Round

4th Round

5th Round

6th Round

7th Round

Behala

76

64

50

42

34

36

22

Ballygunge

42

58

34

42

30

10

14

Dumdum

64

50

48

40

34

26

20

Shyambazar

56

52

56

38

28

20

8

Salt Lake

86

74

52

38

42

26

18

Question:

If the number of auditionees who got selected in the final show of ‘Dadagiri’ in Dumdum was equal to that in Salt Lake, what was the difference between those who passed the second round in both the above areas ?

 

Directions for question:

In the audition for the 2022 edition of the mega quiz show 'Dadagiri', hosted by the former Indian cricket captain Mr Sourav Ganguly, there were seven rounds to be passed before getting selected for the final show. 

The audition for the Kolkata segment took place simultaneously in five areas – Behala, Ballygunge, Dumdum, Shyambazar and Salt Lake.

The number of auditionees who failed in the different rounds in the five areas is given below :

 

 

Number of auditionees who failed

 

1st Round

2nd Round

3rd Round

4th Round

5th Round

6th Round

7th Round

Behala

76

64

50

42

34

36

22

Ballygunge

42

58

34

42

30

10

14

Dumdum

64

50

48

40

34

26

20

Shyambazar

56

52

56

38

28

20

8

Salt Lake

86

74

52

38

42

26

18

Question:

If 240 people auditioned for the first round of ‘Dadagiri’ in Ballygunge, in which round was the percentage of passes at Ballygunge the fifth highest in rank ?

 

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Concepts Covered - 1

Introduction to Table based DI

Introduction: Table-based Data Interpretation is a fundamental skill for understanding and drawing insights from data presented in tabular format. This skill is valuable for making informed decisions and solving real-world problems that involve data analysis. Here, we will explore the key principles and techniques involved in Table-based Data Interpretation.

1. Understanding Table Structure:

  • Tables consist of rows and columns.
  • The top row typically contains column headings or labels that describe the data within each column.
  • Rows below the headings represent individual entities, such as products, time periods, or geographic regions.

2. Identifying Data Types:

  • Tables can contain various types of data, including numerical values, percentages, text, or any other relevant information.
  • It's essential to grasp the meaning and context of each column to interpret the data accurately.

3. Extracting Information:

  • Carefully read any associated problem statement or context that specifies what information you need to extract or analyze from the table.

4. Recognizing Trends and Patterns:

  • Examine the data for any discernible trends, patterns, or irregularities. These might include rising or falling values, similarities or differences between rows or columns, or any data outliers.

5. Performing Calculations:

  • Many problems will require you to perform calculations based on the table data. Be prepared to calculate percentages, growth rates, averages, or other relevant metrics to answer questions accurately.

6. Units of Measurement:

  • Pay close attention to the units of measurement used in the table, as these are critical for performing accurate calculations and interpreting the data correctly.

Example Table:

Let's consider an example table to illustrate these concepts:

Year     

Revenue (in millions)

Expenses (in millions)

Profit Margin (%)

2019

100

70

30%

2020

120

85

29.2%

2021

140

95

32.1%

2022

160

110

31.25%

Analyzing the Example Table:

  • This table represents the financial performance of an entity over four years.
  • The "Year" column indicates the respective years.
  • The "Revenue" and "Expenses" columns contain financial figures in millions.
  • "Profit Margin" is presented as a percentage.

Interpreting the Data:

  • You can observe that revenue has steadily increased over the years, from 100 million in 2019 to 160 million in 2022.
  • Expenses have also risen, from 70 million in 2019 to 110 million in 2022.
  • The "Profit Margin" column indicates the profitability, calculated as (Profit / Revenue) * 100. It fluctuates slightly but remains around 30%.

Sample Question: Given the data, you might be asked to determine the year with the highest profit margin. To answer this, calculate the profit margin for each year and compare the values.

Conclusion: Table-based Data Interpretation is a vital skill for anyone working with data. Mastering this skill enables you to make informed decisions and uncover insights from tables of information. Practice with a variety of tables and questions to strengthen your proficiency in interpreting data accurately.

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