1, 5, 14, 30, 55, 91, ? Options: A . &nbsp130 B . &nbsp140 C . &nbsp150 D . &nbsp160

1, 5, 14, 30, 55, 91, ?

Question

1, 5, 14, 30, 55, 91, ?

Options:

A . 130

B . 140

C . 150

D . 160

Answer: Option B
The pattern is + 4, + 9, + 16, + 25, + 36, ..... i.e. + 22, + 32, + 42, + 52, + 62,.....
So, missing term = 91 + 72 = 91 + 49 = 140.

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