Question

The following numbers are not perfect squares give reason
i) 1857
ii) 56000
iii) 8392
iv) 1600000
v) 4298​

Answer 1

Answer:

for first,third and fifth one it is because of the last digits which are 7,8,2.

numbers ending with 2,3,7,8 are never perfect square

for second and third one it is because of odd number of zeroes.a number with odd number of zeroes is never a perfect square

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