Instructions

What will come in place of question mark (?) in the following number series.?

Question 132

7, 13, 25, 49, ??

Solution
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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

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