Percentage Mock Tests

In an examination, 50% of the students passed in English and 60% passed in Math. If 20% failed in both subjects, what percent of students passed in both subjects?

A number is increased by 20% and then decreased by 20%. What is the net percentage change?

The price of sugar increases by 20%. By what percent should a family reduce its consumption so that the expenditure on sugar remains the same?

If 15% of a number is 45, what is 120% of that number?

The price of sugar increases by 20%. A family wants to increase its expenditure on sugar by only 8%. By what percentage should the family reduce its consumption of sugar?

The percentage increase in the area of a rectangle, if each of its sides is increased by 20%, is:

A number is first increased by 40% and then decreased by 25%. What is the net change percent?

In an examination, a student scores 30% and fails by 40 marks. Another student scores 45% and gets 20 marks above the passing marks. Find the maximum marks.