Question 8

Select the odd number-pair from the given alternatives.

Solution

Except the first option, the numbers are of the form $$n:4n-1$$

(A) : $$(4\times36)-1=143\neq145$$

(B) : $$(4\times16)-1=63$$

(C) : $$(4\times91)-1=363$$

(D) : $$(4\times64)-1=255$$

=> Ans - (A)

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