LIC AAO 05 May 2019 Paper

Directions (60–64) : Find the wrong number in each of the following number series.

Question : 61 of 100

Marks: +1, -0

3 5 10 20 39 63 100

Solution:

(5) The pattern is :
3 + (1

^2

+ 1) = 3 + 2 = 5
5 + (2

^2

+ 1) = 5 + 5 = 10
10 + (3

^2

+ 1) = 10 + 10 = 20
20 + (4

^2

+ 1) = 20 + 17
= 37 ≠ [39]
37 + (5

^2

+ 1) = 37 + 26 = 63
63 + (6

^2

+ 1) = 63 + 37 = 100

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