Question

Find the number of non square numbers between the squares of 11 and 12.

• A. 22
• B. 23
• C. 24
• D. 25

Answer 1

The correct option is A

22

For any two consecutive natural numbers, $n$ and $n+1$, the numbers lying in between $n^2$ and $(n+1{)}^2$ is $2n$. Here $n=11$, so $2n=22$.

Number of non square numbers between the squares of 11 and 12 is 22.