CBSE Class 8 Answered
The following numbers are not perfect squares.
(i) 1057 (ii) 23453 (iii) 7928
Justify.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
We know that square numbers always end with either 0, 1, 4, 5, 6 or 9.
Now, the unit's place of number 1057 is 7, unit's place of number 23453 is 3 and the unit's place of number 7928 is 8.
Therefore, none of the given numbers is a perfect square.
Answered by | 04 Jun, 2014, 03:23: PM
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