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-79
Study the following information and answer the questions that follow.
The graph given below represents the total production and sales (in tonnes) of Dalmia Cement Company and Shankar cement Company during 2002-2007

The table given below represents the ratio of the production (in tonnes) of Dalmia cement company to the production (in tonnes) of Shankar cement Company and the ratio of the sales (in tonnes) of Dalmia cement company to the sales (in tonnes) of Shankar cement Company.


1. What is the ratio of the production of Shankar cement Company in 2004 to that in2003?

Ans:2
Production of Shankar cement Company in the year 2004
= 900 × 5/9= 4500/9 = 500
Production of Shankar cement Company in the year 2003
= 1200 × 7/15=8400/15 = 560
Required ratio = 500/560
= 25: 28

2. What is the approximate percentage increase in the production of Shankar cement Company from 2005 to the production of Shankar cement Company in 2006?

Ans:4
Production of Shankar cement Company in the year 2005
= 900/27 × 13= 11700/27 =433.33
Production of Shankar cement Company in the year 2006
= 1050/27 × 14= 14700/27 = 544.44
Required% = 111/433 × 100 = 11100/433
= 25.63
=26%

3. What is the ratio of the total production of Dalmia Cement Company in 2003 to the total sale of Dalmia Cement Company in 2002?

Ans:1
Total production of Dalmia Cement Company in the year 2003
= 1200 × 8/15 =9600/15= 640
Total sales of Dalmia cement company in the year 2002
= 500 × 3/10 = 4500/10= 150
Require d ratio = 640: 150
= 64: 15

4. The sale of Shankar cement Company in the year 2003 was approximately what per cent of the production of Shankar cement Company in the same year?

Ans:1
Sales of Shankar cement Company in the year 2003
= 750/9 × 4 = 3000/9
= 333.33
Production of Shankar cement Company in the year 2003
= 1200/15 × 7 = 8400/15
= 560
Required % = 333.33/560 × 100 =333/560
= 59.52
= 60%

5. What is the average production of Dalmia cement company (in tonnes) during 2002-2007?

Ans:3
Average production of Dalmia cement company during 2002-2007
= (1050 × 7/12 + 1200 × 8/15 + 900 × 4/9 +900 × 14/27 + 1050 × 13/27 + 850 × 11/23)/6
= (612.5+640+400+466.67+505.5+406.5)/6
= 3031.24/6
= 505.2
= 505

Set-80
Study the following graph carefully and answer the questions given below:
Number of students (in thousands) who opted for three different specializations during the given five years in MBA exam

6. What is the respective ratio between the number of students who opted for Marketing in the years 2002 and 2004 together and the number of students who opted for Production in the year 2001 and 2005 together?

Ans:1
Required Ratio
= (25 + 30): (5 + 20)
= 55: 25
= 11: 5

7. If the total number of students in the given exam in the year 2003 was 455030, the total number of students who opted for the given three specialization were approximately what percent of the total students?

Ans:2
Required Percentage
= {(15 + 10 + 15) × 1000} / 455030 × 100
= {(40000)/455030} × 100
= 8.79
= 9% Approximately

8. What is the total number of students who opted for Production and who opted for HR in the years 2002, 2003 and 2005 together?

Ans:3
Required total number of students
= (5 + 35 + 15 + 15 + 20 + 5) × 1000
= 95000

9. Out of the total number of students who opted for the given three posts, in the year 2005, 38% were girls. How many boys opted for the given three posts in the same year?

Ans:5
In 2005
Total number of girls = (20 + 20 + 5) × 38/100 × 1000
= 1710000 / 100
= 17100
Total number of boys = 45000 – 17100 = 27900

10. The total number of students who opted for HR in the years 2001 and 2004 together are approximately what percent of the total number of students who opted for all three posts in the same years?

Ans:4
Required percentage
= {(15000 + 30000) / (5000 + 35000 + 15000 + 25000 + 30000 + 30000)} × 100
= 4500000/140000
= 32.14
= 32% Approximately
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