$A$ man loses $20 \%$ of his money. After spending $25 \%$ of the remainder,he has $Rs. 480$ left. What is the amount of money he originally had?

Samar spends $52 \%$ of his monthly salary on household expenditure and $23 \%$ on miscellaneous expenditure. If he is left with $Rs. 4500$,what is his monthly salary?

From the salary of an officer,$10 \%$ is deducted as house rent,$20 \%$ of the rest,he spends on conveyance,$20 \%$ of the rest he pays as income tax and $10 \%$ of the balance,he spends on clothes. If he is left with ₹ $15552$,find his total salary.

What percentage is equivalent to $5 \frac{1}{4}$?

The population of a town increases by $5 \%$ annually. If its population in $2001$ was $138915$,what was it in $1998$?

Shruti decided to donate $12 \%$ of her salary to an orphanage. On the day of donation,she changed her mind and donated $Rs. 3150$,which was $75 \%$ of what she had decided earlier. How much is Shruti's salary?