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Byju's Answer
Standard VIII
Mathematics
A Perfect Square Always Ends in 0,1,4,5,6,9 as Last Digit
Which of the ...
Question

Which of the following can be a square number?

A
250
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B
2500
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C
25000
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D
2500000
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Solution

The correct option is B 2500
There are always even number of zeros at the end of square of a number.
Only 2500 has even number of zeros at the end.

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Standard VIII Mathematics
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