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Q.

Find the square root of 729.


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a

13

b

27

c

17

d

23 

answer is B.

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Detailed Solution

Given number is 729.
Prime factorization of 729:
729=3×3×3×3×3×3=36
⇒729=36
⇒729=33
⇒729=27
Therefore, option (2) is correct.
 
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