Dr. Lal and Jain Solutions for Exercise 1: Exercise 7

Find the least number which when added to $624$ makes it a perfect square?

Find the value of $\sqrt{128 +\sqrt{260} - \sqrt{16}}$ ?

The value of $\sqrt[3]{64} = ?$

In the following question, what will come in place of a question mark?

$\sqrt{?\times 7} \times 18 = 84$

Simplify: $2 + \sqrt{2} + \frac{1}{2+\sqrt{2}} + \frac{1}{\sqrt{2} - 2} = ?$

In the following question, what will come in place of a question mark?

$\sqrt{98} - \sqrt{50 } = ? \times \sqrt{2}$

In the following question, what will come in place of a question mark?

$\sqrt{1+\frac{25}{144}} = 1 + \frac{?}{12}$

In the following question, what will come in place of a question mark?

$\frac{\sqrt{121}}{11} \times \frac{15}{\sqrt{169}} \times \frac{13}{\sqrt{225}} = ?$