If 30% of Aman's income is added to 40% of Raman's income, the answer is 80% of Raman's income. What percentage of Aman's income is Raman's income?

If there is a 25 percent reduction in the price of rice, a person can buy 10 kg more rice for Rs 600. The reduced price per kg of rice is.

18 percent of the coal was destroyed in a coal mine. If only 492 tons of coal was received, then tell how much coal was destroyed?

Mohan gets 4 marks for each correct sum and losses 1 marks for each wrong sum. He attempted 30 sum and obtains 50 marks. The number of sums solved correctly is? 

If the cost price of 15 tables is equal to the selling price of 20 tables. The loss percent is:

A dozen pairs of socks quoted at 180 are available at a discount of 20 %. How many pairs of socks can be bought for 48? 

A book seller allowed 10 % discount on printed price. He gets 30 % commission from publisher. His profit in percent will be? 

Population of a city is 7000. In next year the population is increased by 8%, then find the new population?