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Which of the following numbers will replace the question mark (?) in the given series? 7, 18, 40, 73, 117, ?
Question

Which of the following numbers will replace the question mark (?) in the given series?
7, 18, 40, 73, 117, ?

A.

172

B.

173

C.

170

D.

171

Correct option is A

​​Given:  7, 18, 40, 73, 117, ?
Logic: Differences between the consecutive numbers are increasing by 11 each time
7 + 11 = 18
18 + 22 = 40
40 + 33 = 73
73 + 44 = 117
Similarly;
117 + 55 = 172
Thus, correct option is (a).

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