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Q.


What will be the square root of the decimal number 51.84?

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a

1.6

b

7.2

c

2.7

d

4.3  

answer is B.

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Detailed Solution

We have to find the square root of 51.84.
Calculating the square root using long division method:
 Question ImageHence, the square root of 51.84 is 7.2.
Therefore, option 2 is correct.
 
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What will be the square root of the decimal number 51.84?