Two candidates fought an election. One of them got 65% of the total votes casted and won by 420 votes. What is the total number of votes polled if no vote is declared invalid?

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?

Rishu saves x% of her income. If her income increases by 26% and the expenditure increases by 20%, then her savings increase by 50%. What is the value of x?

If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decrease in the volume?

The price of sugar is reduced by 20%. Now a person can buy 500g more sugar for ₹ 36. The original price of the sugar per kilogram was: 

When the tax on an article is increased by 20%, its consumption is decreased by 20%. In total tax receipt on this item-

A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number. The original number is:

32 is what percentage of 80?