Evaluate : `sqrt(248+ sqrt(51 + sqrt(169)))` Options: A . &nbsp16 B . &nbsp15 C . &nbsp14 D . &nbsp13

Evaluate : `sqrt

Question

Evaluate : `sqrt(248+ sqrt(51 + sqrt(169)))`

Options:

A . 16

B . 15

C . 14

D . 13

Answer: Option A

Sol. Given expression = `sqrt(248 +sqrt(51 +sqrt(169)))`

= `sqrt(248 + sqrt(51 + 13))`

= `sqrt(248 + sqrt(64))`

= ` sqrt(248 + 8)`

= `sqrt(256)`

= 16.

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