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

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

A basket contains 300 mangoes. 75 Mangoes were distributed among some student. Find the percentage of mangoes left in the basket.

On subtracting 10 from a number, that number is decreased by 20%, then what is 60% of that number?

If there is an increase of 25% in edible oils, by what percent should a housewife reduce her consumption of oil so that the expenditure on this item does not increase?

On a certain Principal if the Simple interest for two years is Rs 4800 and Compound interest for the two years is Rs 5088, what is the rate of Interest?

Two candidates contested an election. One of them got 64% of the votes and won by 434 votes. What was the total number of votes polled? 

If the price of petrol is reduced by 10%, by how much should a consumer increase the consumption of petrol so that his expenditure on petrol does not decrease?