Question

Which of the following is not a perfect square
10000
100000
1000000
100

Answer 1

Answer:

10000

Step-by-step explanation:

The no. which is a perfect square has even zeroes always. In these options 10000 is not having even zeroes thus A

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Answer 2

Answer:

I think 100000.

because if a number is squared ,for example, 10square then its solution should be 10×10=100.

So in 10 there is one zero . When it is squared you should add two zeros that is,100.

But if you count the zeros in 100000(one lakh)there are 5 .

10square = 100 (1×2=2)

100square = 10000(2×2=4)

1000square = 1000000(3×2=6)