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

A person could save 20% of his income. A year later, his income increased by 25% but he could save the same amount only as before. By what percentage has his expenditure increased?

Answer the following questions

The hourly wages of a mason have increased by 25%. Since the increase, the number of hours he works daily has reduced by 16%. If he was earning Rs. 120 per day before the increase, how much (in Rs.) is he earning now?