If the radius of a circle is reduced by 15%, then its area is reduced by:

Instead of increasing a number by 25%, a student decreased that number by 25% and then increased the obtained number by 25%. By what percentage is the answer less than the original number?

The price of fuel decreases by 40%, 60% and 60% in three successive months, but increases by 70% in the fourth month. What is the percentage increase or decrease in the price of fuel in the fourth month as compared to its original price?8597

If the price of an article is reduced by 25% and its daily sale is increased by 30%, then the net percent effect on daily sale is

If the price of rice increases by 20% and a person reduces its consumption by 20%, by what percentage will his total expenditure on rice decrease?

A number is first increased by 10% and then decreased by 10%. The number so obtained is 80 less than the original number. The original number is

Dimensions of a cubical shape room are increased by 10%. What increase will be there in its floor area?

A’s and B’s salaries are respectively 40% and 70% rupees more than C’s salary. What is the ratio of B’s salary to A’s salary?

The price of a mobile phone was 18,000 last year. It has increased by 15$$\frac 34$$​% this year. What is the current price?

If the radius of the base of a right circular cylinder is decreased by 27% and its height is increased by 165%, then what is the percentage increase (closest integer) in its volume?​

The area of a triangle is constant. Find the percentage increase in its perpendicular height if the base of the triangle is decreased by 20%.