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.

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

Some students (only boys and girls) from different schools1 appeared for an Olympiad exam. 20% of the boys and 15% of the girls failed the exam. The number of boys who passed the exam was 70 more than that of the girls who passed the exam'. A total of 90 students failed. Find the number of students that appeared for the exam.

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

What will be the change in the volume of a rectangular solid by increasing its length by 10 percent and decreasing its width by 10 percent?

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? 

If of 75 % of one-eighth of a certain number is 179, then of three – fourth of that number is: