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Q.


What will be the square root of the decimal number 42.25?

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a

1.6

b

6.5

c

9.8

d

4.3  

answer is B.

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Detailed Solution

We have to find the square root of 42.25.
Calculating the square root using long division method:
Question Image Hence, the square root of 42.5 is 6.5.
Therefore, option 2 is correct.
 
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