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find the missing number in the series 7,...

find the missing number in the series
7, 15, 29, 59, 117, ….

A

230

B

231

C

233

D

235

Text Solution

Verified by Experts

The correct Answer is:
D
The rule is: Double the number and operate `pm1` alternately. The next term is `2xx117+1=235`.
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