The value of a machine depreciates at the rate of 10% per annum. It was purchased 3 years ago. If its present value is Rs.53071.20, the purchase price of the machine was:

In an examination in which full marks were 700, A gets 20 % more than B, B gets 20 % more than C, and Cgets 15 % less than D. If A got 576 marks, then what percentage of full marks did D get? 

If the purchase price of an article is equal to 80 percent of its selling price then there will be profit.

The average monthly salary of all the employees in a company is ₹ 12,000. Among them the average salary of male employees is ₹15,000 and that of female employees is ₹8000. Accordingly, what is the ratio of male and female employees?

If the total monthly income of 16 persons is ₹ 80,800 and the income of one of them is 120% of the average income, then his income is 

The rate of wheat increased by 25%. How many percent may the use of wheat be reduced so that the expenditure on that item remains the same?

The price of milk is increased by 25%, by what percentage should a housewife reduce the use of milk in her house so that there is no increase in her monthly expenditure?

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