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

If 20% of (A+B) = 50% of B, then Value of $${2A-B}\over {2A+B}$$ is 

The difference of two numbers is equal to 20% of the larger of the numbers. If the smaller number is 40, then find the larger number

There are two candidates in an election, a candidate gets 71% of the votes and he wins the election by 756 votes, what is the total number of votes?

A number is first increased by 10% and then it is further increased by 20%. The original number is increased altogether by:

In an election between two candidates, a candidate got 55% of the total valid votes, if the total votes were 15200 and 15% of the votes were declared invalid, then how many valid votes did the other candidate get?

If 15% of 40 is 2 more than 25% of a number, then the number will be

32 is what percentage of 80?