$\frac{1}{8}$ th of $\frac{6}{7}$ th of $11200 = ?$

The sum of a non-$zero$ number and twice its reciprocal is $\frac{33}{4}$. Find the number.

$A$ number when divided by $221$ gives a remainder $43$. What remainder will be obtained by dividing the same number by $17$?

$5894 \div 15.01 + 590.01 - 111.98 = ?$

If the two digits of the age of Mr. Manoj are reversed,then the new age so obtained is the age of his wife. $\frac{1}{11}$ of the sum of their ages is equal to the difference between their ages. If Mr. Manoj is older than his wife,then find the difference between their ages.

The unit digit in the product $(2467)^{153} \times (341)^{72}$ is