M L Aggarwal Solutions for Chapter: Squares and Square Roots, Exercise 2: Objective Type Questions

The smallest number by which $75$ should be divided to make it a perfect square is

$\sqrt{3\frac{6}{25}}$ is equal to

The smallest number by which $162$ should be multiplied to make it a perfect square is 

If the area of a square field is $961$${\mathrm{unit}}^2$, then the length of its side is 

The smallest number that should be subtracted from $300$ to make it a perfect square is

If one number of Pythagorean triplet is $6$, then the triplet is

$n$ th triangular number is

Given that $\sqrt{1521}=39$, the value of $\sqrt{0.1521}+\sqrt{15.21}$ is