Percentage Increase and Decrease Worksheet

Quantitative aptitude lesson 11: Percentage increase and decrease · Set 745 · 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.The price of a school bag changes from ₹1380 to ₹1173. By what percent did it come down?
2. 2.The price of a bicycle is ₹3060. It goes up by 10%. What is the new price (in ₹)?
3. 3.The price of a bicycle is ₹4580. It goes up by 30%. What is the new price (in ₹)?
4. 4.The price of a bicycle is ₹1820. It goes up by 5%. What is the new price (in ₹)?
5. 5.A price comes down by 20% and then comes down by 5% more. By what percent has it come down in all? =
6. 6.The price of a school bag changes from ₹1900 to ₹1710. By what percent did it come down?
7. 7.The price of a school bag changes from ₹240 to ₹216. By what percent did it come down?
8. 8.A price comes down by 15% and then comes down by 5% more. By what percent has it come down in all? =
9. 9.A water tank holds 1380 litres. 40% of the water is used. How many litres are left?
10. 10.The price of a school bag changes from ₹3440 to ₹2924. By what percent did it come down?
11. 11.The price of a bicycle is ₹2500. It goes up by 25%. What is the new price (in ₹)?
12. 12.The price of a school bag changes from ₹1680 to ₹1512. By what percent did it come down?
13. 13.A price comes down by 20% and then comes down by 25% more. By what percent has it come down in all? =
14. 14.The price of a bicycle is ₹620. It goes up by 10%. What is the new price (in ₹)?
15. 15.A water tank holds 2340 litres. 25% of the water is used. How many litres are left?
16. 16.A price goes up by 25% and then goes up by 50% more. By what percent has it gone up in all? =
17. 17.A town has 1120 people. Its population grows by 50%. How many people live there now?
18. 18.A town has 4240 people. Its population grows by 5%. How many people live there now?
19. 19.A price comes down by 50% and then comes down by 5% more. By what percent has it come down in all? =
20. 20.A price comes down by 5% and then comes down by 15% more. By what percent has it come down in all? =
21. 21.A shop sells 4660 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
22. 22.A price comes down by 40% and then comes down by 30% more. By what percent has it come down in all? =
23. 23.A water tank holds 4360 litres. 30% of the water is used. How many litres are left?
24. 24.The price of a bicycle is ₹4680. It goes up by 40%. What is the new price (in ₹)?
25. 25.The price of a school bag changes from ₹4040 to ₹4646. By what percent did it go up?
26. 26.The price of a bicycle is ₹60. It goes up by 5%. What is the new price (in ₹)?
27. 27.A price goes up by 30% and then goes up by 15% more. By what percent has it gone up in all? =
28. 28.A water tank holds 4740 litres. 15% of the water is used. How many litres are left?
29. 29.A water tank holds 2220 litres. 30% of the water is used. How many litres are left?
30. 30.A price goes up by 10% and then goes up by 50% more. By what percent has it gone up in all? =
31. 31.A water tank holds 2100 litres. 20% of the water is used. How many litres are left?
32. 32.The price of a bicycle is ₹3200. It goes up by 20%. What is the new price (in ₹)?
33. 33.The price of a school bag changes from ₹1500 to ₹1950. By what percent did it go up?
34. 34.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
35. 35.A water tank holds 560 litres. 20% of the water is used. How many litres are left?
36. 36.The price of a school bag changes from ₹4240 to ₹2968. By what percent did it come down?
37. 37.The price of a school bag changes from ₹120 to ₹90. By what percent did it come down?
38. 38.A price comes down by 30% and then comes down by 5% more. By what percent has it come down in all? =
39. 39.A shop sells 2160 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
40. 40.A water tank holds 4100 litres. 15% of the water is used. How many litres are left?

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