Question
Which of the following are perfect squares?
Answer: Option C
:
C and D
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C and D
The square root of a perfect square is a natural number.
√196 = √14×14 = 14
√256 = √16×16 = 16
Whereas 156 and 176 are not the perfect squares.
Hence, 196 and 256 are perfect squares as they are squares of 14 and 16 respectively.
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