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.