SSC CHSL 20 Dec 2015 Shift 2 Paper

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In the following 2 question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

Question : 44 of 200

Marks: +1, -0

3, 13, 31, 57, 91, 133,_________

Validate

Solution:

The pattern followed is :

(1) ^2 + 2 = 3

(3) ^2 + 4 = 13

(5) ^2 + 6 = 31

(7) ^2 + 8 = 57

(9) ^2 + 10 = 91

(11)^ 2 + 12 = 133

(13) ^2 + 14 = 183

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