Question

2.
How many non-square numbers lie between the square of:
4 and 5​

Answer 1

20 non square numbers

Therefore, 20 non square numbers lies between 10 square and 11 square.

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Answer 2

The squares of 4 and 5 are 16 and 25 respectively

Although the question can be solves using Ap lets do it the easier way

Numbers lying btw 16 and 25 -
17 , 18 , 19 , 20 , 21 , 22 , 23 , 24

8 numbers lie between 16 and 25
Amd it can be seen none of them is a perfect sq

Hence 8 non square numbers lie between the squares of 4 and 5 .