Question discussion

In the following question, select the related number from the given alternatives.82 : 36 ∷ 91 : ?

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Discussion 1

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CCommunity
Here the logic is as follows,

8 - 2 = 6, 6 × 6 = 36

Similarly,

9 - 1 = 8, 8 × 8 = 64

Thus 91 is related to 64.