Directions : Study the following table chart carefully and answer the questions given beside.

The data related to three core branches of engineering in five different IITs are given in the table.

 Number of students in Mechanical Engineering Ratio of students in Civil to Mechanical Engineering Ratio of students in Electrical to Civil Engineering IIT Delhi 1080 17 : 20 32 : 27 IIT Bombay 1420 11 : 10 19 : 22 IIT Kharagpur 1640 36 : 41 23 : 18 IIT Kanpur 1260 31 : 28 49 : 45 IIT Madras 1584 13 : 16 34 : 39
Important for :
1
Find the difference between the number of students of Electrical engineering of IIT Delhi to that of IIT Bombay.
» Explain it
C
Total number of students in Electrical engineering in IIT Delhi

 = 32 × 17 × 1080 = 1088 27 20

Total number of students in Electrical engineering in IIT Bombay
 = 19 × 11 × 1420 = 1349 22 10

Required difference = 1349 – 1088 = 261

Hence, option C is correct.
2
35% and 20% of total students of Civil engineering of IIT Kharagpur are studying in 1st year and in 2nd year respectively while the ratio of number of students studying in 1st year, 2nd year, 3rd year, and 4th year in Civil Engineering in IIT Kanpur is 7:9:8:7 respectively. The total number of students studying in 1st year and in 2nd year together in Civil in IIT Kanpur is approximately what percent of the total number of students studying in 1st year and in 2nd year together in Civil in IIT Kharagpur?
» Explain it
B
Total number of students studying in 1st year in Civil in IIT Kharagpur

 = 35% of 36 × 1640 = 504 41

Total number of students studying in 2nd year in Civil in IIT Kharagpur
 = 20% of 36 × 1640 = 288 41

Total number of students studying in 1st year in Civil in IIT Kanpur
 = 7 × 31 × 1260 = 315 31 28

Total number of students studying in 2nd year in Civil in IIT Kanpur
 = 9 × 31 × 1260 = 405 31 28

 Reqd. % = 315 + 405 × 100 ≈ 91% 504 + 288

Hence, option B is correct.
3
If the ratio of the number of students in Electronics to Mechanical in IIT Bombay and IIT Kanpur is 4:5 and 71:70 respectively, then find the ratio of the number of students in Electronics in IIT Bombay to that in IIT Kanpur.
» Explain it
A
Total number of students in Electronics in IIT Bombay

 = 4 × 1420 = 1136 5

Total number of students in Electronics in IIT Kanpur
 = 71 × 1260 = 1278 70

Required ratio = 8 : 9

Hence, option A is correct.
4
The total number of students of Civil Engineering of all the given colleges is approximately what percent of the total number of students of Mechanical Engineering of all the given colleges?
» Explain it
B
Number of students in civil in IIT Delhi

 = 17 × 1080 = 918 20

Number of students in civil in IIT Bombay
 = 11 × 1420 = 1562 10

Number of students in civil in IIT Kharagpur
 = 36 × 1640 = 1440 41

Number of students in civil in IIT Kanpur
 = 31 × 1260 = 1395 28

Number of students in civil in IIT Madras
 = 13 × 1584 = 1287 16

Total number of students in civil in all five colleges = 918 + 1562 + 1440 + 1395 + 1287 = 6602

Total number of students in Mechanical in all five colleges = 1080 + 1420 + 1640 + 1260 + 1584 = 6984

 Reqd. % = 6602 × 100 ≈ 95% 6984

Hence, option B is correct.
5
The total number of students in Computer Science in IIT Kharagpur, IIT Kanpur, and IIT Madras together is 286 more than the total number of students in Electrical in the same colleges together. Find the total number of students in Computer Science in IIT Kharagpur, IIT Kanpur, and IIT Madras together.
» Explain it
D
Total number of students in Electrical in IIT Kharagpur

 = 36 × 23 × 1640 = 1840 41 18

Total number of students in Electrical in IIT Kanpur
 = 31 × 49 × 1260 = 1519 28 45

Total number of students in Electrical in IIT Madras
 = 13 × 34 × 1570 = 1122 16 39

Total number students in Computer Science in IIT Kharagpur, IIT Kanpur, and IIT Madras together

= 1840 + 1519 + 1122 + 286 = 4767

Hence, option D is correct.

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In this article we will discuss What is Data Interpretation, How its important for Bank PO and Clerk Exams.

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In our day-to-day life, data is reported in the newspapers, on television, and in magazines. The data involves business, government, sports and many other topics. It is represented in an organized fashion, making it easy to interpret what you hear and read in the media. Those set of problems is being asked in different kind of form like Pie Chart di, Bar Chart di, Table Chart di, line chart di and info chart etc.

Now come back to the point data interpretation,  Data has to be well organized for it to be useful. This process of interpreting and analysing data to extract meaningful information from it is Data Interpretation. Solving Data Interpretation problems involves the use of basic formulas and manipulation of numbers.
Data Interpretation is calculation-intensive. It consists of a myriad of graphs, charts and tables form which you have to glean and analyse data. The key to cracking this area is to quickly identify the key pieces of data that you require to work on the questions asked.

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Data Sufficiency problems involve testing your quantitative concepts. They usually take the form of a logical puzzle. Instead of solving a data sufficiency problem, all you need to do is determine if the given information is enough to solve the problem. To solve Data Interpretation Questions & Answers for Banking and Insurance Exams like SBI, IBPS, NABARD & RBI Grade B, NIACL, and LIC, you need to brush up your calculation skills; you need to perform calculations faster and accurately than others. The difficult Data interpretations should be solved within 10-12 minutes. The DI of moderate level should not consume more than 7-9 minutes of the time and easy DI's should be finished within 3.5-4 minutes.

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