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-7
Study the graph carefully to answer the questions that follow:

1. What is the total number of males studying in all departments together?

Ans:3
Number of males:
ECE department – 275 x 8/25 = 88
EEE department
= 225 x 3/5 = 135
IT department
= 200 x 9/40 = 45
Mechanical department
= 175 x 2/5 = 70
Production department
= 360 x 11/15 = 264
Aeronautical department
= 378 x 4/7 = 216
∴ Total Number of males
= 88 + 135 + 45 + 70 + 264 + 216 = 818

 

2. What is the number of females studying in the ECE department?

Ans:4
Number of females studying in the ECE department
= 275 x 17/25 = 187

 

3. What is the respective ratio of total number of students studying in the production department to those studying in the Aeronautical department?

Ans:1
Required ratio = 360 : 378 = 20 : 21

 

4. In which department is the lowest number of females studying?

Ans:1
Number of females:
ECE Department – 275 – 88 = 187
EEE department – 225 – 135 = 90
IT Department – 200 – 45 = 155
Mechanical department – 175 – 70 = 105
Production department – 360 – 264 = 96
Aeronautical department – 378 – 216 = 162

5. What is the average number of students from all departments together in the Institution approximately?

Ans:5
Total Number of students = 275 + 225 + 200 + 175 + 360 + 378
= 1613
Average = 1613/6 = 268.833 ≈ 269

 

Set-8
Study the following table carefully and answer the questions given below it:
State wise number of visitors to Museum on different days of the week

6. What is the approximate average number of visitors in Bihar state from all the days together?

Ans:3
Number of visitors enrolled in Bihar state
= 1384 + 1783 + 1347 + 1473 + 1098 + 1234 + 1785= 10104
Required average = 10104/7
= 1443

 

7. In Thursday, the number of visitors from Tamil Nadu is approximately what per cent of that of visitors from Tripura?

Ans:4
Number of visitors of Tamilnadu in Thursday = 1342
Number of visitors of Tripura in Thursday = 1666
∴ Required percentage
= 1342/1666 x 100 = 80.55 ≈ 81

 

8. In Monday, the number of Telangana visitors is approximately what per cent of that of Sikkim visitors?

Ans:4
Required percentage
= 1289/1440 x 100
= 89.5 ≈ 90

 

9. What is the difference between total number of Bihar and Tamilnadu visitors from all the days together?

Ans:2
Total number of Bihar visitors from all days together = 10104
Total number of Tamilnadu visitors from all days together
= 1234 + 1156 + 1187 + 1342 + 1230 + 1456 + 1239 = 8844
∴ Required difference
= 10104 – 8844 = 1260

 

10. Which day has the highest number of visitors?

Ans:4
Total number of visitors:
Tuesday – 1156 + 1783 + 1874 + 1003 + 1340 = 7156
Thursday – 1342 + 1473 + 1129 + 1765 + 1666 = 7375
Friday – 1230 + 1098 + 1128 + 1865 + 1777 = 7098
Saturday – 1456 + 1234 + 1556 + 1653 + 1789 = 7688
Sunday – 1239 + 1785 + 1865 + 1504 + 1762 = 8155
The number of visitors was highest in Sunday.

 

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