Aman's expenses are 30% more than Vimal's expenses and Vimal's expenses are 10% less than Raman's expenses. If the sum of the expenditure of all three is Rs. 6,447, then what is the Expenditure of Aman?

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?

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

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.

If the height of a cylinder is increased by 15% and the radius of its base is decreased by 10%, then by what percent will its curved surface area change?

The population of a village was 9600. In a year, with the increase in population of males by 8 % and that of females by 5 %, the population of the village became 10272. What was the number of males in the village before increase?

If the radius of a right circular cylinder is decreased by 50% and its height is increased by 60%, its volume will be decreased by

In a exam, a student scores four marks for every correct answer and loses one mark for every wrong answer. If Rahul attempts all sixty questions and secures 130 marks, the no of questions Rahul attempted correctly is :