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Q.

What is the square root of 121?

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a

11

b

13

c

12

d

15

answer is C.

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Detailed Solution

The square root of a number is a value that, when multiplied by itself, equals the original number.

The square of 11 is 121 (11 x 11 = 121), so the square root of 121 is 11.

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