A number is first increased by 10% and then it is further increased by 20%. The original number is increased altogether by:

32 is what percentage of 80?

If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decrease in the volume?

Ajay spends 25% of his salary on house rent, 5% food grains, 15% on travel and 10% on clothes and saves Rs 27000, what is Ajay's monthly income?

Two numbers are, respectively, 10% and 25% more than the third number. The ratio of the two numbers is:

If the duty on an article is reduced by 40% of its present rate by how much per cent must its consumption increase in order that the revenue remains unaltered?

A dishonest dealer sells the goods at 7% loss on cost price but uses 18% less weight. What is his percentage of profit? (Correct to 2 decimal places)

On a certain Principal if the Simple interest for two years is Rs 4800 and Compound interest for the two years is Rs 5088, what is the rate of Interest?