# Quants Questions : Number Series Set 7

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, 17, 13, 22 , ?
A)15
B)6
C)12
D)29
Explanation :
16+1^2 = 16+1 = 17
17-2^2 = 17-4 = 13
13+3^2 = 13+9 = 22
22-4^2 = 22-16 = 6

2. 25, 32, 48, 82 ?
A)143
B)134
C)124
D)132
Explanation :
25+7 = 32………….(7)
32+16 = 48…………(7+9 = 16)
48+34 = 82…………(16+18 = 34)
82+61 = 143………..(34+27 = 61)

3. 87, 109, 142, 186 , ?
A)214
B)124
C)241
D)421
Explanation :
87+22 = 109
109+33 = 142
142+44 = 186
186+55 = 241

4. 12, 24, 144, 2592, ?
A)138699
B)139698
C)139869
D)139968
Explanation :
12*2=24
24*6 =144…..(2*3 =6)
144*18 = 2592….(6*3)
2592*54 = 139968….(18*3=54)

5. 11, 12, 50, 453, ?
A)7225
B)7522
C)7252
D)75246
Explanation :
11*1^2+1 = 11+1 = 12
12*2^2+2 = 12*4+2 = 50
50*3^2+3 = 50*9+3 = 453
453*4^2+4 = 7252

6. 15, 14, 24, 63, ?
A)236
B)263
C)326
D)336
Explanation :
15*1 -1^2 = 15-1 = 14
14*2-2^2 = 28 – 4 = 24
24*3-3^2 = 72 – 9= 63
63*4-4^2 = 252-16 = 236

7. 43, 87, 263, 1055, ?
A)5729
B)5279
C)5972
D)5277
Explanation :
43*2+1 = 87
87*3+2 = 263
263*4+3 = 1055
1055*5+4 = 5279

8. 8, 12, 22, 40, ?
A)46
B)64
C)56
D)68
Explanation :
8+(3^2-5) = 8+4 = 12
12+(4^2-6) = 12+10 = 22
22+(5^2-7) = 22+18 = 40
40+(6^2-8) = 40+28 = 68

9. 280, 138, 274, 135 , ?
A)285
B)286
C)268
D)288
Explanation :
280÷2-2 = 138
138*2-2 = 274
274÷2-2 = 135
135*2 – 2 = 268

10. 3450, 3329, 3248, 3199, ?
A)3174
B)3432
C)3471
D)3147