Question

Find whether the following numbers are perfect squares or not? Give reason.
a.64000
b. -25
C. 1225
Which of the following will have l as its unit's digit?​

Answer 1

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Answer:

1225 is correct it's a perfect square of 35

others are not perfect squares

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Answer 2

(a) 64000 is not a perfect square because its unit’s place digit is single 0.

(b) -25 is not a perfect square as negative numbers cannot be perfect squares.

(c) 1225 is a perfect square of 35.

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