Percentage Increase and Decrease Worksheet

Quantitative aptitude lesson 11: Percentage increase and decrease · Set 684 · 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 ₹4660 to ₹3262. By what percent did it come down?
2. 2.A water tank holds 4680 litres. 40% of the water is used. How many litres are left?
3. 3.The price of a bicycle is ₹4480. It goes up by 40%. What is the new price (in ₹)?
4. 4.A price goes up by 50% and then goes up by 40% more. By what percent has it gone up in all? =
5. 5.A shop sells 3760 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
6. 6.The price of a bicycle is ₹200. It goes up by 5%. What is the new price (in ₹)?
7. 7.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
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 price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
10. 10.A water tank holds 2780 litres. 5% of the water is used. How many litres are left?
11. 11.A price comes down by 40% and then comes down by 10% more. By what percent has it come down in all? =
12. 12.A town has 3240 people. Its population grows by 15%. How many people live there now?
13. 13.The price of a school bag changes from ₹3560 to ₹1780. By what percent did it come down?
14. 14.A town has 2580 people. Its population grows by 20%. How many people live there now?
15. 15.The price of a school bag changes from ₹60 to ₹45. By what percent did it come down?
16. 16.A shop sells 1580 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
17. 17.The price of a school bag changes from ₹4400 to ₹5500. By what percent did it go up?
18. 18.A water tank holds 4680 litres. 20% of the water is used. How many litres are left?
19. 19.The price of a school bag changes from ₹3740 to ₹3927. By what percent did it go up?
20. 20.The price of a school bag changes from ₹4840 to ₹4114. By what percent did it come down?
21. 21.The price of a school bag changes from ₹4140 to ₹3726. By what percent did it come down?
22. 22.The price of a bicycle is ₹3740. It goes up by 30%. What is the new price (in ₹)?
23. 23.A water tank holds 2660 litres. 15% of the water is used. How many litres are left?
24. 24.The price of a bicycle is ₹2080. It goes up by 50%. What is the new price (in ₹)?
25. 25.A price comes down by 20% and then comes down by 30% more. By what percent has it come down in all? =
26. 26.The price of a school bag changes from ₹1760 to ₹1936. By what percent did it go up?
27. 27.A shop sells 960 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
28. 28.The price of a bicycle is ₹3640. It goes up by 5%. What is the new price (in ₹)?
29. 29.A water tank holds 2680 litres. 20% of the water is used. How many litres are left?
30. 30.The price of a school bag changes from ₹1580 to ₹1975. By what percent did it go up?
31. 31.A price comes down by 40% and then comes down by 50% more. By what percent has it come down in all? =
32. 32.A price goes up by 20% and then goes up by 15% more. By what percent has it gone up in all? =
33. 33.A water tank holds 2900 litres. 40% of the water is used. How many litres are left?
34. 34.A water tank holds 4560 litres. 20% of the water is used. How many litres are left?
35. 35.A shop sells 1320 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
36. 36.A water tank holds 680 litres. 5% of the water is used. How many litres are left?
37. 37.The price of a school bag changes from ₹1520 to ₹1596. By what percent did it go up?
38. 38.A water tank holds 200 litres. 10% of the water is used. How many litres are left?
39. 39.A shop sells 200 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
40. 40.The price of a bicycle is ₹200. It goes up by 40%. What is the new price (in ₹)?

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