Data Interpretation Quiz for SBI Clerk and SBI PO 2016

Directions (Q 1-5): Following pie-charts shows the percentage of students enrolled in different activities and the percentage of girl students enrolled in those activities in a school of 2400 students. The number of girl students is 1250.
1. What is the approximate percentage of boys in the school?
1) 63
2) 48
3) 67
4) 55
5) 76

2. How many students are enrolled in Swimming and Dancing together?
1) 500
2) 620
3) 780
4) 840
5) 960

3. What is the total number of girls enrolled in Swimming and Drawing together?
1) 375
2) 525
3) 450
4) 325
5) None of these

4. Number of girls enrolled in Dancing form what percent of total number of students in the school?
1) 11.36
2) 10.41
3) 12.63
4) 10.12
5) 8.34

5. What is the respective ratio of number of girls enrolled in Singing to the number of boys enrolled in Singing?
1) 51 : 63
2) 32 : 41
3) 43 : 76
4) 175 : 77
5) None of these

Directions (6-10): Following pie-chart shows the distribution of mobile users of different companies. Total mobile users are 80 lakh.

6. How many people are using LG mobile?
1) 12.8 lakhs
2) 13.2 lakhs
3) 14.2 lakhs
4) 15.6 lakhs
5) None of these

7. What is the difference between the number of Spice mobile users and HTC mobile users?
1) 1.6 lakhs
2) 2.2 lakhs
3) 2.4 lakhs
4) 3.2 lakhs
5) None of these

8.What is the ratio between the number of Nokia mobile users and the number of Samsung mobile users?
1) 6 : 5
2) 5 : 4
3) 4 : 3
4) 3 : 2
5) None of these

9. Number of Motorola mobile users is what percentage of the number of HTC mobile users?
1) 125%
2) 135%
3) 150%
4) 160%
5) None of these

10. Number of Nokia mobile users is how much percentage more than that of the number of LG mobile users?
1) 72.5%
2) 75.5%
3) 82.5%
4) 85.5%
5) 87.5%

Solutions:
1. 2)
No. boys=2400-1250=1150
% of boys=(1150*100)/2400=47.9

2. 5)
enrolled in dancing and swimming=(24+16)=40%
=> 40% of 2400=(40*2400)/100=960

3. 1)
girls enrolled in swimming and drawing=(16+14)=30%
=> 30% of 1250=(30*1250)/100=375

4. 2)
girls enrolled in dancing=20%
=> 20% of 1250=(20*1250)/100=250
required % = (250*100)/2400=10.41

5. 4)
students enrolled in singing=(21*2400)/100=504
girls enrolled in singing= (28*1250)/100=350
boys enrolled in singing= 504-350=154
respective ratio=350:154=175:77

6. 1)
LG users = 57.6° = 16%
Total users = (80*16)/100  = 12.8 lakhs

7. 4)
Spice users = 43.2° = 12%
HTC users = 28.8° = 8%
Difference = 12 – 8 = 4%
4% of 80 lakhs = 3.2 lakhs

8. 2)
Nokia users = 108° = 30%
Samsung users = 86.4° = 24%
Ratio =30/24   = 5 : 4

9. 1)
Motorola users = 36° = 10%
HTC users = 28.8° = 8%
% =  10/8*100 = 125%

10. 5)
Nokia users = 108° = 30%
LG users = 57.6° = 16%
% more = ((30-16)/16)*100  = 175/2=87.5%

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