A rational number between $\sqrt{2}$ and $\sqrt{3}$ is

1. $\dfrac{\sqrt{2} + \sqrt{3}}{2}$

2. $\dfrac{\sqrt{2} × \sqrt{3}}{2}$

3. 1.5

4. 1.8

The decimal expansion of 2 - $\sqrt{3}$ is

1. terminating and non-repeating
2. terminating and repeating
3. non-terminating and non-repeating
4. non-terminating and repeating

$\sqrt{10} × \sqrt{15}$ is equal to

1. $6\sqrt{5}$
2. $5\sqrt{6}$
3. $\sqrt{25}$
4. $10\sqrt{5}$

$2\sqrt{3} + \sqrt{3}$ is equal to

1. $2\sqrt{6}$
2. 6
3. $3\sqrt{3}$
4. $4\sqrt{6}$