LIC AAO 04 May 2019 Paper

QUANTITATIVE APTITUDE

Directions (31–35) : Find the wrong number in the given number series.

Question : 33 of 100

Marks: +1, -0

189 701 1044 1263 1385 1449 1476

Solution:

(1) The pattern is :
189 + 8

^3

= 189 + 512 = 701
701 + 7

^3

= 701 + 343 = 1044
1044 + 6

^3

= 1044 + 216
= 1260 ≠ [1263]
1260 + 5

^3

= 1260 + 125 = 1385
1385 + 4

^3

= 1385 + 64 = 1449
1449 + 3

^3

= 1449 + 27 = 1476

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