Data Interpretation Questions for Competitive Exams

Data Interpretation: Data Interpretation Questions are usually asked in  all competitive exams like SSC, SBI, IBPS, RBI, LIC, RRB, AAI, DRDO, ISRO, NTR, FSSAI, CWC, LIC, SSC CGL, Railways and other state government exams. 
Data Interpretation questions require clear observation of charts like pie chart, bar chart, radar chart, line chart, table chart. On this page, we are providing all varieties of Data Interpretation Questions along with previous year Data Interpretation Questions.
Data Interpretation Questions are usually based on basic knowledge of arithmetic & fast calculation which includes good command on multiplication, division, addition, subtraction along with Vedic Math. 
Data Interpretation Questions is a very important section of Quantitative Aptitude. Most of the questions come from Data Interpretation in Quantitative Aptitude section.

Set-9
Following bar-graph shows the percentage of passed girls with respect to total passed students of two colleges A and B.

1. If the number of boys passed from College A and College B is 315 and 225 respectively in the year 2007, then what is the difference between number of girls passed from A and B in year 2007?

Ans:4
Total number of passed students of College A =(100*315)/45 = 700
Number of girls passed = 55% of 700 = 385
Total number of passed students of College B= (100*225)/60 = 375
Number of girls passed = 40% of 375 = 150
Difference = 385 – 150 = 235

 

2. If the number of girls passed from College A and College B in year 2006 is equal to 90, then what is the sum of total number of passed students of College A and College B in the same year?

Ans:4
For College A,
45% of girls = 90
Total student = (90*100)/45 = 200
For College B,
50% of girls = 90
Total student = (90*100)/50 = 180
Sum = 200 + 180 = 380

 

3. If the number of girls passed from College A in year 2009 is equal to the number of boys passed from College B in year 2006 and it is 315, then what is the difference between total number of students passed from College A in 2009 and College B in year 2006?

 Ans:1
Total students passed of College A in 2009 = 315*100/75 = 420
Total students passed of College B in 2006 = 315*100/50 = 630
Difference = 630 – 420 = 210

 

4. If total number of students passed from College A and College B in year 2008 is 650 and 800 respectively, then number of girls passed from College B is how much percent more than the number of girls passed from College A in the same year?

Ans:2
Number of girls passed of College A= (60*650)/100 = 390
Number of girls passed of College B = (57*800)/100 = 456
% difference = [(456-390)/390]*100=16.92%

 

5. If the number of girls passed from College A and College B in year 2010 is 378 and 414 respectively, then number of boys passed from College B is what percent of number of boys passed from College A in same year?(approx)

Ans:4
Number of girls passed from College A = 54% = 378
Number of boys passed from College A = 322
Number of girls passed from College B = 46% = 414
Number of boys passed from college B= 486
%= (486/322)*100≈150%

 

Set-10
Study the following bar chart and answer the following questions. The sales of different soft drinks over different years were given below.

6. In which year was the sale of ‘Pep­up’ the maximum?

Ans:2
In the year 2003, pep-up maximum

 

7. In the case of which soft drink was the average annual sale maximum in the given  period ?

Ans:1
Average annual sale of Dew-drop = (10+15+25+15+30+25) /6 = 20
Average annual sale of cool-slip = (25+7+20+20+25+30) / 6 =21.2
Average annual sale of pep-up = (30+35+30+25+20+20) / 6 = 26.7

 

8. In the case of ‘Cool­slip drink, what was the approximate percent increase in sale in 2007 over its sale in 2005?

Ans:3
Sale in 2007 = 30
Sale in 2005 = 20
Increase % = [(30-20)/20]*100 = 50%

 

9. In the year 2004, what was the difference between the number of Pep­up and Cool-slip bottles sold?

Ans:5
Number of Pep­up =30
Number of cool-slip=20
Difference = 30-20 = 10

 

10. What was the approximate per cent drop in sale of Pep­up in 2004 over its sale in 2003?

Ans:3
sale of Pep­up in 2004 = 30
sale of Pep­up in 2003 = 35
% drop = [(35-30)/35]*100 = 14.28%

 

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