Arihant Expert Team Solutions for Exercise 1: Practice Exercise

The sum of the digits of the smallest number, which when multiplied by $900$, gives a perfect cube is?

The sum of the squares of two positive integers is $100$ and the difference of their square is $28.$ The sum of the numbers is?

The smallest number added to $680621$ to make the sum a perfect square is?

The value of $\sqrt{5\sqrt{5\sqrt{5\sqrt{5...}}}}$ is?

$\sqrt{\frac{0.25}{0.0009}}\times \sqrt{\frac{0.09}{0.36}}$ is equal to?

How many positive integers less than $1000$ are multiples of $11$ whose square roots are whole numbers.

Three numbers are in the ratio of $3:2:5$ and the sum of their square is $1862$. The smallest of these numbers is

Find the largest number of $5$-digit which is a perfect square?