Percentage Mock Tests

A number is increased by 20% and then decreased by 10%. The net change is:

A number when increased by 15% becomes 1150. Find the original number.

In an examination, 35% of the students failed in English, 45% failed in Mathematics, and 20% failed in both. The percentage of students who passed in both subjects is:

In a class of 60 students, 45 students like Mathematics, 25 like Physics, and 20 like both. How many students like neither Mathematics nor Physics?

25% of 200 is:

The population of a town is 10000. It increases by 10% in the first year and decreases by 10% in the second year. What is the population at the end of the second year?

If 20% of a = b, then b% of 20 is equal to:

If the price of sugar decreases by 20%, a family can buy 5 kg more for Rs. 800. What was the original price per kg?