# Quants Questions : Number Series Set 6

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. 16  15  20  ?  102  221
A)41
B)34
C)43
D)36
E)None of these
Explanation :
16+(13 – 2) = 15
15+(23 – 3) = 20
20+(33 – 4) = 43…………

2. 27  48  84  145  ?
A)201
B)221
C)231
D)241
E)None of these
Explanation :
27+21 = 48
48+36 = 84                            see d 2nd term  21+15 = 36
84+61 = 145                                                   36+25 = 61
145+96 = 241                                                 61+35 = 96

3. 0  6  24   ?  120  210
A)40
B)60
C)80
D)90
E)None of these
Explanation :
0+6(1*6) = 6
6+18(3*6) = 24
24+36 (6*6)= 60
60+60 (10*6)= 120
120+90(15*6) = 210

4. 1  2  5  26  ?  458330
A)675
B)676
C)677
D)678
E)None of these
Explanation :
1^2+1 = 2
2^2+1 = 5
5^2+1 = 26
26^2+1 = 677
677^2+1 = 458330

5. 6  7  11  20  36  ?
A)61
B)62
C)64
D)66
E)None of these
Explanation :
6+1^2 = 6+1 = 7
7+2^2 = 7 + 4 = 11
11+3^2 = 11+9 = 20
20+4^2 = 20+16 = 36
36+5^2 = 36+25 = 61

6. 135  99  ?  45  27  15  9
A)65
B)66
C)67
D)69
E)None of these
Explanation :
9+6 = 15
15+12 = 27
27+18 = 45
45+24= 69
69+30= 99
99+36= 135

7. 4   20  84  340  1364   ?
A)5260
B)5460
C)5468
D)5789
E)None of these
Explanation :
4+16 = 20
20+64 = 84
84+256 =340
340+1024 = 1364
1364+4096 = 5460

8. 17  14  15  12  13  ?
A)8
B)9
C)10
D)11
E)None of these
Explanation :
17- 2 = 15…..(1 & 3 Term)
14 – 2 = 12…..(2 & 4 Term)
12 – 2 = 10…….(4 & 6 term)

9. 5  8  11   16  ?  22  27
A)17
B)19
C)21
D)23
E)None of these
Explanation :
5+3 =8
8+3 = 11
11+5 = 16
16+3 = 19
19+3 = 22
22+5 = 27

10. 20   19   17   18   15   14    13  ?
A)12
B)13
C)14
D)15
E)None of these