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Q.

Find the square root of 841?


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a

21

b

28

c

29

d

25 

answer is C.

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Detailed Solution

Concept: The given number is 841.
Using the prime factorization method, one may determine the square root of 841. Knowing how to factor 841 into prime numbers will help us to determine the value.
The prime factorization of the integer 841 isQuestion Image.
Thus,
Question ImageHence, the correct answer is option (3).
 
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