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-41
Study the following graph carefully and answer the given questions
The Pie chart shows the percentage of population in five different villages. Total population of all the villages are 26800.

1. Total population of village A and B is approximately what percentage more/less than the total population of village C?

Ans: 2
Population of village A= (26800 * 24)/100 = 6432
Population of village B= (26800* 16)/100 = 4288
Population of village C= (26800*28)/100 = 7504
Total Population of village A and B = 6432 + 4288 = 10720
Require percentage = [(10720 – 7504)/7504] * 100
= (3216/7504) * 100 = 42.85% ≈ 43%

 

2. If the ratio of the number of male and female in village B is 5:3 then approximately what percentage of male in village B is more/less than the total population of village D?

Ans: 1
Population of village B= (26800* 16)/100 = 4288
Population of village D= (26800* 12)/100 = 3216
Male in village B = (5/8) * 4288 = 2680
Require percentage (less) = [(3216 – 2680)/3216] * 100
= (536/3216) * 100 = 16.67% ≈ 17%

 

3. What is the ratio of population of village E and population of village B?

Ans: 3
Population of village B= (26800* 16)/100 = 4288
Population of village E= (26800* 20)/100 = 5360
Require ratio = 5360: 4288 = 335: 268

 

4. If 15% population of village E has electricity connection and 50% population of village C has electricity connection then what is the total number of people in village E and village C who does not have electricity connection?

Ans: 3
Population of village E= (26800* 20)/100 = 5360
Population of village C= (26800*28)/100 = 7504
Total number of people in village E who does not have electricity connection,
= (85 * 5360)/100
= 4556
Total number of people in village C who does not have electricity connection,
= (50 * 7504)/100
= 3752
Total number of people in village E and village C who does not have electricity connection,
= 4556 + 3752 = 8308

 

5. Population of village A and village D have how much more/less population than village B and village E?

Ans: 4
Required difference = [(24+12)-(20+16)]*26800/100
= 0/100*26800
Difference = 0

 

Set-42
What value should come in the place of question mark in the given questions?
Number of students from three different schools who qualified in an exam in four different years

6. What is the difference between the annual average students of qualified from School A and annual average students of qualified from School C in the given year?

Ans: 1
Average students of qualified from school A in three years
=(8500+8000+9500+6500)/4
=8125
Average students of qualified from school C in three years
=(9000+8500+7500+5000)/4
=7500
Difference=8125-7500
=625

 

7. What is the difference between the number of students qualified from School C in 2005 and the number of students qualified from School B in 2007?

Ans: 3
Number of students qualified from School C in 2005=9000
Number of students qualified from School B in 2007=8000
Difference=9000-8000
=1000

 

8. The total number of students qualified from School B in 2008 is approximately what percent more than total number of students qualified from School A in 2006?

Ans: 3
The total number of students qualified from School B in 2008=9000
The total number of students qualified from School A in 2006=8000
Percentage=(9000-8000)*100/8000
=12.5%

 

9. What is the approximate percentage decrease in the number of students qualified from School C in 2008 from 2007?

Ans: 1
The number of students qualified from School C in 2007=7500
The number of students qualified from School C in 2008=5000
Percentage=100*(7500-5000)/7500
=33.333%

 

10. Find the average number of students qualified from School B in all the four years together?

Ans: 1
The number of students qualified from School B in 2005=6000
The number of students qualified from School B in 2006=5500
The number of students qualified from School B in 2007=8000
The number of students qualified from School B in 2008=9000
Average=(6000+5500+8000+9000)/4
=7125

 

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