The value of an article depreciates every year at the rate of 10% of its value. If the present value of the article is  Rs 729, then its worth 3 years ago was

If the length of a rectangle increased by 20 % and breadth is decreased by 12.5 % Find the percentage increase in the Area ?

Due to a 25% increase in the price of rice per kg. a person is able to purchase 20 kg. less for Rs.400. What is the increased price of rice per kg.?

A fruit seller had some oranges and apples. He sold 20% oranges to A, 40% of remaining to B and had 48 oranges left. Similarly, he sold 40% apples to A, 100 apples to B and had 10% apples left. Find the total number of apples and oranges that the shopkeeper had initially.

Two students appeared for an examination. One of them secured 20 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are : 

The population of a town is 3,11,250. The ratio of women to men is 43: 40. If there are 24% literate among women and 10% illiterate, among men, the total number of literate persons in the town is : 

78 is divided into two parts in such a way that the ratio of quadruple of the first part and five times the second part is 14: 15. The first part is