Quant Mania : Number Series

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Dear Readers,
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,...

Try to solve it in 5-7 minutes and give your answer in the comment box.

All the Best!!!

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