If the height of a cylinder is increased by 15% and the radius of its base is decreased by 10%, then by what percent will its curved surface area change?

The cost price of an article should be increased by what percentage so that after giving 20 percent discount on it, 44 percent profit is obtained?

If 8% of x is the t same as 4 % of y, then 20% of x is the same as:

If C.P of 20 tables is equal to the S.P of 25 tables. Find the loss percentage.

B got 20% marks less than A. What per cent marks did A got more than B? 

The difference of two numbers is 15 % of their sum. the ratio of the larger number to the smaller number is: 

The population of a city is 48,600. If there is a 25% increase in the first year and a reduction of 8% in the second year, then what will be the population of this city at the end of 2 years?

In an election 20% of the voters did not vote and 120 votes were invalid. Winner got 200 votes more than this opponent and secured 41% votes of the total number of votes. What percentage of the votes defeated candidate got out of the total votes cast?