The correct option is B 65 ⇒ 25=5× 5 and 37=( 5+1 ) #160;^ 2 +1 Similarly, 49=7× 7 and 65=( 7+1 ) #160;^ 2 +1 So, the answer is (b). ...

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Derivative of Standard Functions

5 : 37 :: 49 ...

Question

5 : 37 :: 49 : ?

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Solution

The correct option is B 65
$\Rightarrow 25 = 5 \times 5 a n d 37 = {(5 + 1)}^{2} + 1$
Similarly, $49 = 7 \times 7 a n d 65 = {(7 + 1)}^{2} + 1$
So, the answer is (b).

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