# Aptitude Questions: Number Series Set 52

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 !!!

Directions(1-10) : In these questions, a number series is given. Find out the missing number.

1. 6 15 48 171 ? 3645
A. 716
B. 736
C. 746
D. 720
E. None of these
Explanation :
(6 * 1) + (1 * 9) = 15
(15 * 2) + (2 * 9)= 48
(48 * 3) + (3 * 9)= 171
(171 * 4) + (4 * 9) = 720
(720 * 5) + (5 * 9) = 3645

2. 5 3 4 ? 17 45
A. 7.5
B. 4.5
C. 6.5
D. 8.5
E. None of these
Explanation :
5 * 0.5 + 0.5 = 3
3 * 1 + 1 = 4
4 * 1.5 + 1.5 = 7.5
7.5 * 2 + 2 = 17
17 * 2.5 + 2.5 = 45

3. 4 11 36 103 ? 939
A. 345
B. 316
C. 375
D. 355
E. None of these
Explanation :
4 * 3 – 1 = 11
11 * 3 + 3 = 36
36 * 3 – 5 = 103
103 * 3 + 7 = 316
316 * 3 – 9 = 939

4. 6 13 41 ? 216 391
A. 123
B. 104
C. 153
D. 113
E. None of these
Explanation :
6 + 7 * 1² = 13
13 + 7 * 2² = 41
41 + 7 * 3² = 104…..

5. 715 524 333 ? 119 68
A. 224
B. 232
C. 242
D. 252
E. None of these
Explanation :
9³ – 14 = 715
8³ + 12 = 524
7³ – 10 = 333……

6. 58 60 116 354 1408 ?
A. 6050
B. 7050
C. 7080
D. 6070
E. None of these
Explanation :
58 * 1 + 2 = 60
60 * 2 – 4 = 116
116 * 3 + 6 = 354
354 * 4 – 8 = 1408…..

7. 14, 78, 252, 620, ?, 2394
A. 1340
B. 1290
C. 1470
D. 1860
E. None of these
Explanation :
2^4 – 2, 3^4 – 3, 4^4 – 4, 5^4 – 5…

8. 5 15 38 ? 464 2422
A. 240
B. 420
C. 150
D. 120
E. None of these
Explanation :
(5 * 1) + 10 = 15
(15 * 2 ) + 8 = 38
(38 * 3) + 6 = 120
(120 * 4) + 4 = 484
(484 * 5) + 2 = 2422

9. 8 18 51 208 1035 ?
A. 6776
B. 6263
C. 6463
D. 6216
E. None of these
Explanation :
8 * 2 + 2 = 18
18 * 3 – 3 = 51
51 * 4 + 4  = 208
208 * 5 – 5  = 1035….

10. 24 11 9 14 48 ?
A. 368
B. 334
C. 364
D. 324
E. None of these