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A Perfect Square Never Ends with 2,3,7 or 8 as Last Digit

Which of the ...

Question

Which of the following is definitely not a perfect square?

A

144

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B

169

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C

147

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D

121

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Solution

The correct option is C
147

We can observe 147 ends with 7.

A perfect square number never ends with 2, 3, 7, 8.

Hence, 147 is definitely not a perfect square.

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Similar questions

Q. Mark (✓) against the correct answer
Which of the following numbers is a perfect cube?
(a) 121
(b) 169
(c) 196
(d) 216

Which of the following is definitely not a perfect square?

\frac{169}{121}

What is ${\frac{121}{169}}^{\frac{- 3}{2}}$ ?

Q. 196, 169, 144, 121, 101

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