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Question

What is the square of 55?

A
2025
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B
3035
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C
3025
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D
1025
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Solution

The correct option is C 3025
Last digit is 5. So the last two digits of the square will be 25.
Preceding digits is the product of 5 and (5+1) i.e. 30.
So the square of 55 is 3025.

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