Data Interpretation Questions - 1

Directions (1-5) : Study the table carefully to answer the questions that follow.

Number of People(in 1000) staying in six different cities and the percentage of men.women and children in given cities.



1. What is the respective ratio of number of women from City R to those from City T? 
  • (1)8401:9135 
  • (2)7325:8462 
  • (3)9124:10131 
  • (4)6487:7758 
  • (5)None of these
Ans: (1) 
Required ratio
No. of women in  city R : no. of women in City T
(54.20*31)/100 : (65.25*28)/100
= 8401 : 9135

2. Total number of people from City U forms approximately what per cent of the total number of people from all cities together? 
  • (1)28 
  • (2)11 
  • (3)6 
  • (4)24 
  • (5)19 
Ans: (5)
Required % = (56.80*100)/301.18 = 19%

3. Which city has the lowest number of children? 
  • (1)R 
  • (2)S 
  • (3)T
  • (4)Q 
  • (5)None of these 
Ans: (4)
No. of children in city Q
32.16 * 25/100 thousand = 8040

4. What is the average number of men from all the cities together (in approx)? 
  • (1)21450 
  • (2)23200 
  • (3)19445 
  • (4)18620 
  • (5)17580
Ans: (2)
Required average
= 1/6 (48.35*38/100 + 32.16*45/100 + 54.20*47/100
+ 44.42*35/100 + 65.25*54/100 + 56.8*53/100)
= 23200 approx.

5. Number of women from city S form what per cent of those from City P? (rounded off to two digits after decimal) 
  • (1)87.08 
  • (2)124.68 
  • (3)114.84 
  • (4)92.16 
  • (5)None of these
Ans: (3)
Required % = (44.42 * 45/100 * 100) / (48.35*36)/100
= 114.84%

Directions (6- 10) : Study the pie-charts carefully to answer the questions that follow.

Percentage of employees in different departments of our organization out of which the number of employees promoted




6. The number employees who got promoted from the Marketing department is what per cent of total number of employees in that department? (rounded off to the nearest integer) 
  • (1)12 
  • (2)10 
  • (3)3 
  • (4)6 
  • (5)None of these
Ans: (4)
Required % = (36*100) / (14*4200/100)
= 6.12 = 6%

7. What is the respective ratio of number of employees not promoted from HR department to those Production departments? 
  • (a)216 : 389 
  • (b)337 : 417 
  • (c)389 : 216 
  • (d)417 : 337 
  • (e)None of these
Ans: (2)
No. of employee not promoted from HR department = (18 * 4200)/100 – 82 = 674
No. of employee not promoted from production department
= (21*4200)/100 – 48 = 834
Required ratio = 674 : 834 = 337 : 417

8. What is the number of employees working in the IT department? 
  • (1)1020 
  • (2)1045 
  • (3)1150 
  • (4)1140 
  • (5)None of these
Ans: (5)
No. of employee in IT department
= (25*4200)/100 = 1050

9. Which department has the highest percentage of promoted employees to the total number of employees of that department? 
  • (1)IT 
  • (2)Marketing 
  • (3)Maintenance 
  • (4)HR 
  • (5)None of these
Ans: (3)
% of promoted employee to the total no. of employee in maintenance department
= (46*100) / (10*4200/100)
= 10.95%

10. What is the percentage of employees promoted from the Maintenance and Accounts departments together to the total number of employees from these two departments? (rounded off to two digits after decimal) 
  • (1)7.58 
  • (2)6.27 
  • (3)9.15
  • (4)8.34
  • (5)None of these 
Ans: (1)
No. of employee promoted from maintenance & A/c  departments = 46 + 24 = 70
Required % = (70 *100) / (22*4200/100)
= 7.58