Quantitative Aptitude Quiz – 91

Directions-(Q. 1 – 5) What will come in place of question mark (?) in the following number series ?

1. 18935, 3780, 750, 145, 25, ?
a) 5
b) 2
c) 4
d) 3
e) None of these

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Ans b) 2
18935 3780,  750,  145,  25,  2
-35/5 -30/5 -25/5 -20/5 -15/5

2. 3, 10, 32, 111, ?, 2315, 13902
a) 512
b) 460
c) 424
d) 412
e) None of these

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Ans b) 460
(3+7)*1=10,
(10+6)*2=32
(32+5)*3=111
(111+4)*4=460
(460+3)*5=2315
(2315+2)*6=13902

3. 16, 24, ?,  210, 945, 5197.5, 33783.75 
a) 36
b) 40
c) 60
d) 58
e) None of these

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Ans c) 60
16 * 1.5 = 24,
24 * 2.5 = 60
60 * 3.5 = 210
210 * 4.5 = 945
945 * 5.5 = 51975
51975 * 6.5 = 3378.75

4. 16, 15, 21, ?, 77, 195.5, 588.5 
a) 36.5
b) 39
c) 37.5
d) 36
e) None of these

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Ans a) 36.5
16*0.5+7 = 15
15*1+6 = 21
21*1.5+5 = 36.5
36.5*2+4 = 77
77*2.5+3 = 195.5
195.5+3+2=588.5

5. 142,  871, 1383, 1726, 1942, 2067, ?
a) 2283
b) 2131
c) 2134
d) 2192

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Ans e) None of these
b) 2131
142+729 = 871
871+512 = 1383
1383+343 = 1726
1726+216 = 1942
1942+125 = 2067
2067+64 = 2131

Directions (6-10): Study the following table to answer the given questions?

di1

6. In Kolkata number of Specialist officer is approximately what percent of that officer?
a) 8.7
b) 9
c) 6.5
d) 8
e) 6.9

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Ans d) 8. In Kolkata No. of officers =14900
No. of Specialist officer = 1200
Req. aaprox. Percentage: = 1200×100/15000 = 8 (approx)

7. What is the difference between total number for officers and Clerks?
a) 29, 680
b) 34, 180
c) 32, 690
d) 28, 680
e) None of these

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Ans c) 32, 690 .. Total No. of officers = 72,760
Total No. of Clerks = 105,450
Req. difference = 32,690

8. In Chennai number of clerks is approximately how much percent more than that of officers?
a) 18
b) 22
c) 20
d) 2
e) 13

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Ans b) 22 In Chennai No. of Clerks = 11000
No. of officers = 9000
Req Percentage = 11000 – 9000/9000 x 100 = 22.2 = 22

9. Which center has 300% more number of clerks as compared to Bangalore?
a) Lucknow
b) Mumbai
c) Hyderabad
d) Chennai
e) None of these

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Ans c) Hyderabad
5000 + 300% of 5000 = 20,000
Hyderabad is the answer.

10. Which center has the highest number of candidates?
a) Delhi
b) Kolkata
c) Hyderabad
d) Mumbai
e) None of these

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Ans c) Hyderabad

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