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If a perfect square ends with 1 then the square root can be ending with ___ & ___

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in Mathematics – Class 8 by (91.0k points)
If a perfect square ends with 1 then the square root can be ending with ___ & ___

(a) 9 & 2

(b) 9 & 1

(c) 1 & 8

(d) 1 & 2

This question was posed to me in homework.

The doubt is from Finding Square Roots topic in portion Squares and Square Roots of Mathematics – Class 8

1 Answer

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Best answer
The correct choice is (b) 9 & 1

Easy explanation: When a perfect square ends with 1 its roots can be either ending with 1 or ending with 9. Hence the options other the 9 & 1 are incorrect.

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