Which of the following will replace '?' from the image below? 2 3 31 3 4 ? 4 5 141

RRB NTPC Prelims Model Paper 4 with solutions

Question : 89 of 100

Marks: +1, -0

Which of the following will replace '?' from the image below?

Solution:

(2) As

2^2 + 3^3 = 4 + 27 = 31 and 4^2+ 5^3 = 16 + 125 = 141

Therefore,

3^2 + 4^3 = 9 + 64 = 73.

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