A man saves ₹6,000 per month from his salary. He spends $75\%$ of his salary each month. What is his annual salary (in ₹)?

Let the monthly salary of the man be $x$.He spends $75\%$ of his salary, so his savings percentage is:
$$\text{Savings}\%=100\%-75\%=25\%$$
Given monthly savings = ₹6,000.
$$25\%\text{ of }x=6000$$
$$\frac{25}{100}\times x=6000$$
$$x=6000\times 4=24,000$$
Monthly salary = ₹24,000.Annual salary = $12\times \text{Monthly Salary}$:
$$\text{Annual Salary}=12\times 24,000=\text{₹}2,88,000$$