Friday, 4 August 2017

Data Interpretation


Directions (1-5): Read the following information carefully and answer the questions given below it: 
Out of the total number of 7800 girls in a college, 15% are good at dancing and 20% of the number of girls good at dancing are also good in studies. 5% of the total number of girls in the college are good at drawing and 10% of the girls good at drawing are also good in studies. 35% of the total number of girls in the college are good at cooking and 20% of the girls good at cooking are also good in studies; also, 30% of the girls good at cooking are good at dancing but not good in studies. 10% of the total number of girls in the college are good only at singing. 25% of the total number of girls in the college are good at sports and 16% of the number of girls good at sports are also good at studies. Rest of the girls from the college are only good at studies. 

Q1. How many girls from the college are good at dancing ? 
(a) 1755
(b) 1989
(c) 1170
(d) 1898
(e) None of these

Q2. How many girls from the college are good only at cooking ? 
(a) 2730 
(b) 2184
(c) 1365
(d) 1545
(e) None of these

Q3. How many girls from the college are good at drawing but not in studies? 
(a) 351 
(b) 380 
(c) 400
(d) 390
(e) None of these

Q4. How many girls from the college are good at studies ? 
(a) 1851
(b) 780 
(c) 1911 
(d) Data inadequate
(e) None of these

Q5. How many girls from the college are good only at singing ? 
(a) 780
(b) 750
(c) 700
(d) 800
(e) None of these

Directions (6-10): Study the following data carefully and answer the questions given below : 
A survey conducted on 1200 villages shows that 25% of the total villages have only adequate water supply. 15% of the total number of villages have proper supply of electricity only. 7% of the total number of villages have only proper education facilities. 12% of the total number of villages have telecommunication services only. 16% of the total number of villages have proper healthcare services only. 6% of the total number of villages have adequate water as well as supply of electricity. 8% of the total number of villages have adequate supply of water, supply of electricity well as healthcare services. 5% of the total number of villages have proper supply of electricity, telecommunication services as well as healthcare services and 6% of the total number of villages have all the facilities. 

Q6. How many villages in all have adequate water supply ?
(a) 430
(b) 450
(c) 540
(d) 810
(e) None of these

Q7. How many villages in all have adequate supply of water as well as electricity ? 
(a) 36
(b) 108
(c) 72
(d) 120
(e) None of these

Q8. How many villages in all do not have proper supply of electricity ? 
(a) 720 
(b) 850 
(c) 920 
(d) 1080 
(e) None of these

Q9. How many villages have only proper education facilities ? 
(a) 108 
(b) 84
(c) 36
(d) 72
(e) None of these

Q10. How many villages have all the facilities ? 
(a) 90 
(b) 126
(c) 144
(d) 72
(e) None of these

Directions (11-15): What will come in place of the question mark (?) in the following question ? 
Q11. 14% of 250 × ?% of 150 = 840 
(a) 15
(b) 18
(c) 16
(d) 12
(e) None of these

Q12.  
(a) 1
(b) 3
(c) 4
(d) 5
(e) None of these

Q13. 
(a) 3 1/4
(b) 3 5/12
(c) 2 7/12
(d) 3 3/4
(e) None of these

Q14. 28.314 – 31.4272 + 113.92 = ? + 29.113 
(a) 81.711
(b) 80.701
(c) 71.711
(d) 81.702
(e) None of these

Q15. 
(a) 18 
(b) 21
(c) 19
(d) 28
(e) None of these 

Solutions 
















Data Interpretation


Direction (1-5): Study the following table carefully to answer these questions:–
Details of the seat belts produced by different companies over the years:–

Year
Company
A
B
C
D
E
F
N
D
N
D
N
D
N
D
N
D
N
D
2011
28
0.8
18
0.4
34
1.4
29
1.4
24
1.5
44
2.2
2012
32
1
26
1.2
31
1.2
34
1.2
26
2
38
1.6
2013
24
0.5
23
0.5
28
1.5
23
0.8
35
2.2
32
1.3
2014
22
0.6
33
1.4
36
1.9
18
0.4
31
1.8
28
0.9
2015
30
1.2
38
0.8
40
2.1
33
1.8
37
2
42
1.5
2016
25
0.8
40
2
42
2.2
45
2.5
41
2.2
19
0.4

N → Number of seat belts produced (in lakh)
D → Percentage of defective belts

Q1. What was the number of defective seat belts produced by company B, C and E together in year 2014 ? (in Lakhs)
(a) 2.70
(b) 1.704
(c) 1.50
(d) 1.20 
(e) 1.80 

Q2. What was percentage increase/decrease in total production by all companies together from 2012 to 2013? (rounded off to the two decimal place)
(a) 10.76
(b) 11.26
(c) 12.26
(d) 11.77
(e) None of these

Q3. What is the ratio of the average production of company A to that of B for all the given years ? 
(a) 161 : 178 
(b) 149 : 161
(c) 137 : 178 
(d) 137 : 149 
(e) None of these 

Q4. What percentage of total items produced by company F in 2011, 2015 and 2016 together are defective? 
(a) 1.4
(b) 0.9
(c) 1.6
(d) 2.1
(e) 2.6

Q5. What was the average number of perfect seat belts produced by company D in 2013, 2014 and 2015 together? (in lakh)
(a) 29.38
(b) 23.46 
(c) 26.76
(d) 22.16
(e) 24.39

Directions (6-10): Study the pie-chart carefully to answer the following questions: 
Percentage of players enrolled in different games in a sport academy



Q6. The number of female player enrolled in Hockey is what percent of total number of players in Academy ? 
(a) 9.6
(b) 10.2
(c) 8.8
(d) 7.6
(e) 11.4 

Q7. What is ratio of male player enrolled in basketball to the number of female player enrolled in Hockey ? 
(a) 23 : 16 
(b) 23 : 17 
(c) 21 : 16 
(d) 17 : 23
(e) None of these

Q8. The number of female players enrolled for football is what percent more/less than number of male players enrolled for Badminton ? 
(a) 10.2% less
(b) 9.52% less
(c) 8.9% more
(d) 9.8% more
(e) None of these

Q9. How many players enrolled for Cricket and Hockey are female ? 
(a) 440
(b) 424
(c) 428
(d) 432
(e) None of these

Q10. The minimum number of female players enrolled for which game ? 
(a) Hockey 
(b) Football
(c) Cricket
(d) Badminton
(e) Basketball

Directions (11-15): In the following questions two equations numbered I and II are given. You have to solve both the equations and
Give answer (a) if x>y 
Give answer (b) if x≥y
Give answer (c) if x<y
Give answer (d) if x≤y
Give answer (e) if x = y or the relationship cannot be established.

Q11. I. 3x+5y=28 
II. 8x-3y=42 


Solutions





S10. Ans.(e)
Sol.
In Cricket, 20 × 25 – 12 × 22 = 236  
Football, 20 × 22 – 12 × 24 = 152 
Hockey, 20 × 21 – 12 × 19 = 192 
Badminton, 20 × 14 – 12 × 14 = 112 
Basketball, 20 × 18 – 12 × 21 = 108