Today we are presenting the second session of Quant Mania which is based on Number Series. These are very important for your upcoming IBPS Clerk Prelim as well as Mains. Solve it and please share your valuable views about our new initiative under the platform "Mania Session". You can expect similar question in IBPS Clerk Mains Exam.
Quant Mania: Number Series
Directions (Q.1-10): What should come in place of question mark (?) in the given number series?
1. 8 27 64 125 216 343 ?
a)513
b)512
c)476
d)522
e) 511
2. 4 12 36 108 324 ?
a)648
b)684
c)927
d)972
e)846
3. 2 51 87 112 ? 137
a)148
b)121
c)128
d)118
e)138
4. 27 125 ? 729 1331 2197
a)216
b)343
c)512
d)289
e) 521
5. 2 3 8 27 ? 565 3396
a) 34
b)108
c)110
d)112
e) 120
6. 4 10 30 102 ? 2110
a)610
b)420
c)121
d)210
e) 510
7. 44 ? 99 148.5 222.75 334.125
a)72
b)77
c)66
d)54
e) 84
8. 7 8 4 13 -3 22 ?
a)-7
b)-10
c)-12
d)-14
e) -9
9. 20 23 30 43 64 ?
a)85
b)92
c)95
d)99
e) 88
10. 2 4 10 ? 82 244
a)30
b)48
c)28
d)46
e) 34
Answer:
1. b
The series is (+2)3, (+3)3, (+5)3, (+6)3, (+7)3, (+8)3, ...
2. d
The series is 4*3=12, 12*3=36, 36*3=108, 108*3=324, 324*3=972
3. c
The series is (+7)2, (+6)2, (+5)2, (+4)2, (+3)2
4. b
The series is (+3)3, (+5)3, (+7)3, (+9)3, (+11)3, (+13)3, ...
5. d
The series is 2*1+1=5, 3*2+2=8, 8*3+3=27, 27*4+4=112, 112*5+5=565, 565*6+6=3396
6. b
The series is 4*1+1*6=10, 10*2+2*5=30, 30*3+3*4=102,102*4+4*3=420, 420*5+5*2=2110.
7. c
The series is *1.5,*1.5,*1.5,...
8. d
The series is +12, -22,+32,-42,+52,-62,...
9. c
10. c
The series is *3-2,*3-2,*3-2,...
The series is *3-2,*3-2,*3-2,...
Try to solve it in 5-7 minutes and give your answer in the comment box.
All the Best!!!