# Aptitude Questions: Number Series Set 43

Hello Aspirants.

Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series, which is common for all the competitive exams. We have included Some questions that are repeatedly asked in bank exams !!!

1. 84, 72, 66, ?, 68.17
1.65
2.60
3.67
4.76
5.None of these
Explanation :
84/1.2 = 70+2 = 72
72/1.2= 60+6 = 66
66/1.2 = 55+10 = 65
65/1.2 = 54.17+14 = 68.17

2. 110, ?, 42, 20, 6
1.63
2.81
3.72
4.90
5.None of these
Explanation :
112 – 11 = 110
92 – 9 = 72
72 – 7 = 42
52 – 5 = 20
32 – 3 = 6

3. 164, 40, ?, 43, 188
1.224
2.68
3.90
4.176
5.None of these
Explanation :
164 -4 = 160/4 = 40
40+4 = 44*4 = 176
176-4 = 172/4 = 43
43+4 = 47*4 = 188
188-4 = 184/4 = 46

4. 96, 320, 800, 1600, ?
1.640
2.2666.7
3.2500
4.2400
5.None of these
Explanation :
96/0.3 = 320
320/0.4 = 800
800/0.5 = 1600
1600/0.6 = 2666.7

5. 434, 418, 393, ?, 308, 244
1.357
2.346
3.325
4.254
5.None of these
Explanation :
434 – 42 = 418
18 – 52 = 393
393 – 62 = 357
357- 72 =308
308- 82 = 244

6. 8, 64, ?, 206, 292, 388
1.412
2.342
3.130
4.224
5.None of these
Explanation :
8 + 56 = 64
64 + 66 = 130
130+76 = 206
206+86 = 292
292+96 = 388

7. ?, 510, 495, 475, 450, 420
1.680
2.480
3.500
4.520
5.None of these
Explanation :
520-(10*1) = 510
510 – (10*1.5) = 495
495 –(10*2) = 475
475 – (10*2.5) = 450
450 –(10*3) = 420

8. 43, 214, 852, ?
1.2529
2.1245
3.3214
4.2650
5.None of these
Explanation :
43 *5 – 1^1 = 214
214*4 – 2^2 = 852
852*3 – 3^3 = 2529

9. 332, 370, 410, ?, 496
1.564
2.452
3.326
4.210
5.None of these
Explanation :
18^2 = 324 + 8 = 332
19^2 = 361+9 = 370
20^2 = 400+10 = 410
21^2 = 441+11 = 452
22^2 = 484+12 = 496

10. 1224, 1134, 954, 684, ?
1.324
2.416
3.560
4.214
5.None of these