Evaluate : `sqrt(41 - sqrt(21 + sqrt(19 - sqrt(9))))` Options: A . &nbsp3 B . &nbsp5 C . &nbsp6 D . &nbsp6.4

Evaluate : `sqrt(41 -

Question

Evaluate : `sqrt(41 - sqrt(21 + sqrt(19 - sqrt(9))))`

Options:

A . 3

B . 5

C . 6

D . 6.4

Answer: Option C

`sqrt(41 - sqrt(21 + sqrt(19 - sqrt(9))))` =`sqrt(41 - sqrt(21 + sqrt(19 - 3)))` = `sqrt(41 - sqrt ( 21 + sqrt(16)))`

=`sqrt(41 - sqrt(21 + 4))` = `sqrt(41 - sqrt(25))` = `sqrt(41 - 5)` = `sqrt(36)` = 6.

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