What will come in place of question mark (?) in the following number series.?
7, 13, 25, 49, ??
Each number in the given series is one less than double the previous number.
For example, 13 = 2*7 -1
25 = 2*13 - 1
49 = 2*25 -1
Hence, the number next in the series is 2*49 - 1 = 97
Create a FREE account and get:
Quick, Easy and Effective Revision
By proceeding you agree to create your account
Free CAT Formulae PDF will be sent to your email address soon !!!
