Percentage Increase and Decrease Worksheet

Quantitative aptitude lesson 11: Percentage increase and decrease · Set 773 · 40 questions

The method (Start value is 100%): New value after a rise of p%: value + p% of value. After a fall: value − p% of value. Percent change = change ÷ starting value × 100. Two changes a% and b% one after the other: a + b + (a × b) ÷ 100, with a fall counted as minus.

1. 1.A water tank holds 1240 litres. 5% of the water is used. How many litres are left?
2. 2.The price of a bicycle is ₹2160. It goes up by 50%. What is the new price (in ₹)?
3. 3.A water tank holds 3520 litres. 5% of the water is used. How many litres are left?
4. 4.The price of a bicycle is ₹1640. It goes up by 5%. What is the new price (in ₹)?
5. 5.The price of a bicycle is ₹360. It goes up by 5%. What is the new price (in ₹)?
6. 6.The price of a bicycle is ₹1600. It goes up by 30%. What is the new price (in ₹)?
7. 7.A price goes up by 10% and then goes up by 15% more. By what percent has it gone up in all? =
8. 8.A water tank holds 1100 litres. 50% of the water is used. How many litres are left?
9. 9.The price of a school bag changes from ₹4460 to ₹4906. By what percent did it go up?
10. 10.A water tank holds 3480 litres. 5% of the water is used. How many litres are left?
11. 11.A water tank holds 2940 litres. 50% of the water is used. How many litres are left?
12. 12.A water tank holds 760 litres. 5% of the water is used. How many litres are left?
13. 13.The price of a bicycle is ₹1880. It goes up by 10%. What is the new price (in ₹)?
14. 14.The price of a school bag changes from ₹4400 to ₹4180. By what percent did it come down?
15. 15.A shop sells 2980 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
16. 16.A price comes down by 40% and then comes down by 25% more. By what percent has it come down in all? =
17. 17.A price comes down by 20% and then comes down by 15% more. By what percent has it come down in all? =
18. 18.A town has 4960 people. Its population grows by 25%. How many people live there now?
19. 19.A town has 1840 people. Its population grows by 10%. How many people live there now?
20. 20.A price goes up by 5% and then goes up by 10% more. By what percent has it gone up in all? =
21. 21.A town has 1380 people. Its population grows by 20%. How many people live there now?
22. 22.A shop sells 260 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
23. 23.A town has 860 people. Its population grows by 15%. How many people live there now?
24. 24.A water tank holds 4800 litres. 40% of the water is used. How many litres are left?
25. 25.A water tank holds 400 litres. 25% of the water is used. How many litres are left?
26. 26.A town has 1260 people. Its population grows by 40%. How many people live there now?
27. 27.The price of a bicycle is ₹4500. It goes up by 40%. What is the new price (in ₹)?
28. 28.A water tank holds 3620 litres. 5% of the water is used. How many litres are left?
29. 29.The price of a school bag changes from ₹4260 to ₹3408. By what percent did it come down?
30. 30.The price of a school bag changes from ₹4120 to ₹3914. By what percent did it come down?
31. 31.A water tank holds 3120 litres. 10% of the water is used. How many litres are left?
32. 32.The price of a school bag changes from ₹2140 to ₹2675. By what percent did it go up?
33. 33.A water tank holds 3620 litres. 50% of the water is used. How many litres are left?
34. 34.The price of a school bag changes from ₹2600 to ₹2860. By what percent did it go up?
35. 35.A price comes down by 40% and then comes down by 30% more. By what percent has it come down in all? =
36. 36.A water tank holds 2100 litres. 25% of the water is used. How many litres are left?
37. 37.A price goes up by 30% and then goes up by 10% more. By what percent has it gone up in all? =
38. 38.The price of a school bag changes from ₹2040 to ₹2448. By what percent did it go up?
39. 39.A water tank holds 240 litres. 40% of the water is used. How many litres are left?
40. 40.A water tank holds 220 litres. 40% of the water is used. How many litres are left?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude