State the number which is a whole number but not a natural number.

Value of $(256)^{0.16} \times(256)^{\operatorname{0.09}}$ is

Find three rational numbers between

$\frac{1}{4}$ and $\frac{1}{5}$

Insert a rational number and an irrational number between the following:

$2$ and $3$

Find three rational numbers between

$\frac{5}{7}$ and $\frac{6}{7}$

Insert a rational number and an irrational number between the following:

$0$ and $0.1$