A reduction of 20% in the price of sugar enables a housewife to purchase 6 kg. more for Rs. 240. What is the original price per kg. of sugar?

A shopkeeper bought 240 ton rice. He sold 4/5th is at 37.5% profit, then find at what percentage profit or loss he should sell remaining rice, so as to gain 25% on the whole transaction? 

A reduction of 20% in the price of rice enables a man to buy 5 kg more for Rs.100. The price of the rice before reduction was-

Last financial year, a car company sold 41,800 cars. The target is to sell 51,300 cars this year. What percentage would sales have to increase?

A retailer gets a discount of 40 % on the printed price of an article. The retailer sells it at the printed price. His gain percent is 

Kirti decided to spend 45% of her monthly salary on shopping, after spending Rs 11475 she found that this money was 60% of the amount she spent, what is Kirti's salary?

In an examination, 92% of the students passed and 480 students failed. If so, how many students appeared in the examination?

Products pass successively through the hands of three traders and each of them sells his goods at a profit of 30% of his cost price. If the last trader sold the products for Rs.300, then how much did the first trader pay for them?