Series and Odd Man out Practice Test 7

Question : 32 of 40

Marks: +1, -0

169, 121, 80, 49, 25, 9, 1

Solution:

A careful scrutiny of the series reveals that if 80 is replaced by 81, then the series will be arranged in the order of

13^2, 11^2, 9^2,

7^2, 5^2, 3^2, 1^2

. Therefore, (b) is the correct alternative.

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