What will come in the place of question (?) mark in the following number series? 2, 10, 30, 68, ?, 222. - mathselab.com

What will come in the place of the question (?) mark in the following number series? 2, 10, 30, 68, ?, 222

Question

What will come in the place of the question (?) mark in the following number series?

2, 10, 30, 68, ?, 222

A. 111
B. 120
C. 130
D. 136


Answer: C

Solution:

1*1*1+1 =2

2*2*2+2=10

3*3*3+3=30

4*4*4+4=68

5*5*5+5=130

6*6*6+6=222

So the answer is 130.

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