Select the option that will fill in the blank and complete the given series 7 16 40 84 252 ........

Logical Reasoning (CPO) Number series

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Select the option that will fill in the blank and complete the given series.

7, 16, 40, 84, _____, 252

This questions was previously asked in

SSC CPO 12th Dec 2019 Shift-1

View All SSCCPO Previous Year Papers

151

149

150

153

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Explanation:

Given series 7, 16, 40, 84, _____, 252
we take difference 16-7 = 9, 40-16= 24, 84- 40 = 44 .,...... and so on
Again we take a difference of difference 24-9 = 15, 44- 24 = 20, and next 25 and next 30 and so on
then add 44 + 25 = 69 (difference of next series number )
therefore 84 + 69 = 153 Ans