If the price of sugar is increased by 20%, then by what percent should a housewife reduce its consumption so that no expenditure on it increases?

A man spend 15% of his income. If his expenditure is Rs.75, his income (in rupees) is:

If 40% of (A+B) = 60% of (A-B) then $${2A-3B}\over {A+B}$$ is

Two numbers are, respectively, 10% and 25% more than the third number. The ratio of the two numbers is:

Joseph's income is decreased by 10%, by what percent the new income has to be increased to bring his income back to the previous level?

The salary of a person is increased by 20%. By what % the new salary must be reduced to restore the original salary?

Annual salary of Varun is 7.68 lac. In a month if he spends 12000 on his children, 1/13th of rest on food and 8000 in  mutual funds from his monthly salary, then find the monthly saving he is left with.

If 35% of A’s income is equal to 25% of B’s income, then the ratio of A’s income to B’s income is