# Quant Test for NIACL AO Prelims Exam Set – 8

Directions(1-5): Find the missing ‘?’ number of the following series.

1. 7710,1280,252,60,?,8
10
15
18
16
17
Option C
/6-5
/5-4
/4-3
/3-2
/2-1
? = 18

2. 25,53,78,131,?,340
200
209
215
190
195
Option B
53+25
78+53
131+78
209+131
? = 209

3. 62.5,108,171.5,?,364.5,500
240
222
256
275
260
Option C
5^3/2
6^3/2
7^3/2
8^3/2
9^3/2
10^3/2
? = 256

4. 538,?,577,568,576,575
480
500
445
513
510
Option D
-5^2,+4^3,-3^2,+2^3,-1^2
? = 513

5. 12.8,16,20,25,31.25,?
39.0625
25.1250
31.0125
28.2257
30.1234
Option A
12.8/4*5
16/4*5
20/4*5
25/4*5
31.5/4*5
? = 39.0625

6. Directions(6-10): The graph represents the average number of laptops sold per month, average number of mobiles sold per month and average number of cameras sold per month by five different companies in the year 2015.

7. Find the difference between the total number of electronic accessories sold by company A and C in 2015.
12
8
10
9
11
Option A
Total number of electronic accessories sold by company A = 552+1020+696
= 2268
Total number of electronic accessories sold by company C = 324+1152+804 = 2280
Required difference = 2280 â€“ 2268 = 12

8. Find the total number of laptops sold by all the companies in the year 2015.
2475
2556
2230
2615
2500
Option B
Total number of laptops sold by A = 46*12 = 552
Total number of laptops sold by B = 37*12 = 444
Total number of laptops sold by C = 27*12 = 324
Total number of laptops sold by D = 54*12 = 648
Total number of laptops sold by E = 49*12 = 588
Total number of laptops sold by all the companies in the year 2015
= 552 + 444+324+648+588 = 2556

9. Find the difference between the total number of mobiles and the total number of cameras sold by all the companies together in the whole year.
1672
1440
1325
1452
1550
Option D
Total number of mobiles by all the companies = 1020+948+1152+876+828
= 4824
Total number of cameras by all the companies = 696+864+804+576+432 = 3372
Required difference = 4824 â€“ 3372 = 1452

10. The total number of accessories sold by company B alone in the whole year is approximately what percent of the total number of accessories sold by all the five companies together in the whole year ?
14%
10%
15%
21%
18%
Option D
Total number of electronic accessories sold by all the five companies
= 10752
Total number of accessories sold by company B alone in the whole year = 444+948+864 = 2256
Required% = 2256/10752*100 = 21%

11. The total number of electronic accessories sold by company E in the whole year is what percent of the total number of electronic accessories sold by company D in the whole year.
72%
78%
88%
85%
80%
Option C
Total number of electronic accessories sold by company D = 648+876+576
= 2100
Total number of electronic accessories sold by company E = 588+828+432 = 1848
Required% = 1848/2100*100 = 88%
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