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Q.

What is the square of 6.1?


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a

38.21

b

37.21

c

39.21

d

30.21 

answer is B.

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Detailed Solution

The given number is 6.1.
Now calculate the square value,
⇒ 6.1 2 = 61 10 2 ⇒ 61 × 61 10×10 ⇒ 3721 100 ⇒37.21  
Therefore, the square value of 6.1 is 37.21.
Hence, option 2 is correct.
 
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