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Question

Which of the following is the square of 38?

A
1,444
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B
1,024
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C
1,296
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D
1,369
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Solution

The correct option is A 1,444
Method I
We have to find the square of 38. So,
382=38×38=1,444
Method II
First subtract 25 from 38
3825=13
Now, 50 is 12 more than 38 so,
Add 122 to 13×100=1300
1,300+144=1,444
So, 1,444 is the square of 38

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