# Quant Test for NIACL AO Prelims Exam Set – 13

Directions(1-5): What will come in place of question mark “?” in the following questions.

1. 12.99*23.98+38.98*5.99 = ?*13.01
25
30
38
42
33
Option D
12.99*23.98+38.98*5.99 = ?*13.01
=> 13*24+39*6 = ?*13
=> ?*13 = 312+234
=> ? = 42

2. 15.98% of 924.99 = 19.98% of ? + 24.98% of 419.98
220
200
222
210
215
Option E
15.98% of 924.99 = 19.98% of ? + 24.98% of 419.98
=> 16% of 925 = 20% of ? + 25% of 420
=> 0.20*? + 0.25*420 = 0.16*925
=> ? = 215

3. 15*8+?*6 -14*3 = 16*9
11
9
5
8
6
Option A
15*8+?*6 -14*3 = 16*9
=> 120 + ?*6 â€“ 42 = 144
=> ?*6 + 78 = 144
=> ?*6 = 66
=> ? = 11

4. 25% of 720 â€“ 12% of 850 = 20% of ?
315
390
300
350
341
Option B
25% of 720 â€“ 12% of 850 = 20% of ?
=>0.2 * ? =0.25*720 â€“ 0.12*850
=> ? = 390

5. 40% of 840 â€“ 18^2 = (?)^1/2 – (216)^1/3
313
324
352
300
360
Option B
40% of 840 â€“ 18^2 = (?)^1/2 – (216)^1/3
=> (?)^1/2 â€“ 6 = 0.4 *840 â€“ 324
=> (?)^1/2 = 336 -324 + 6
=> ? = 324

6. Directions(6-10): The graph shows the number of bulbs and tubelights manufactured by five different companies in the year 2016.

7. Find the average number of bulbs manufactured by each of the given companies in 2016.
4444
4244
5120
5445
5000
Option B
Required average = (3240+5825+3875+3640+4640)/5 = 4244

8. If 25% of the bulbs and 20% of the tubelights manufactured by company E in 2016 remained unsold, then find the total number of bulbs and tubelights manufactured by company E in 2016 that were sold.
7200
7170
6560
7640
6060
Option D
Total number of sold bulbs and tubelights = 75% of 4640 + 80% of 5200
= 7640

9. If 75% of the tubelights manufactured by company D were sold and 10% of the sold tubelights were defective, find the number of defective tubelights sold by company D.
300
290
321
310
313
Option C
Required number of defective tubelights sold = 10% of (75% of 4280)
= 321

10. Find the ratio of the number of bulbs and tubelights together manufactured by company A in 2016 to the number of bulbs and tubelights together manufactured by company E in the same year.
203:216
207:250
195:239
203:246
200:241
Option D
Total number of bulbs and tubelights manufactured by A = 3240+4880
= 8120

Total number of bulbs and tubelights manufactured by E = 4640+5200 = 9840
Required% = 8120:9840 = 203:246

11. The total number of bulbs and tubelights together manufactured by company B is what percent more than the number of bulbs and tubelights together manufactured by company C?
30.1%
19.9%
25.5%
37.8%
30.6%
Option D
Total number of bulbs and tubelights manufactured by B = 5825 + 4410
= 10235
Total number of bulbs and tubelights manufactured by C = 3875+3550 = 7425
Required% = (10235-7425)/7425*100 = 37.8%