6, 13, 25, 51, 101, ?
A. 201
B. 202
C. 203
D. 205
Answer: Option C
Solution (By Examveda Team)
The pattern is x 2 + 1, x 2 - 1, x 2 + 1, x 2 - 1,.....So, missing term = 101 x 2 + 1 = 203.
This Question Belongs to Competitive Reasoning >> Series Completion
4,27,16,125,36
>6x2+13=25
>13x2+25=51
>25x2+51=101
>THEN
the missing number is=51x2+101=102+101=203