SSC CHSL 7 Mar 2018 Shift 1 Paper

Section: General Intelligence

Question : 30 of 100

Marks: +1, -0

In the following question, four number pairs are given. The number on left side of (-) is related to the number of the right side of (-) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

12 - 121
14 - 169
16 - 215
18 - 289

Validate

Solution:

If we subtract '1' from the first number and then take the square, the pattern followed is :

(12 − 1)^2= 121

(14 − 1)^2 = 169

(16 − 1)^2 = 225 ≠ 215

(18 − 1)^2 = 289

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