Percentage Increase and Decrease Worksheet

Quantitative aptitude lesson 11: Percentage increase and decrease · Set 965 · 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 bicycle is ₹840. It goes up by 5%. What is the new price (in ₹)?
2. 2.A water tank holds 180 litres. 25% of the water is used. How many litres are left?
3. 3.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
4. 4.A shop sells 180 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
5. 5.A price goes up by 50% and then goes up by 5% more. By what percent has it gone up in all? =
6. 6.A price comes down by 20% and then comes down by 10% more. By what percent has it come down in all? =
7. 7.A water tank holds 2600 litres. 25% of the water is used. How many litres are left?
8. 8.The price of a bicycle is ₹2940. It goes up by 25%. What is the new price (in ₹)?
9. 9.A price comes down by 15% and then comes down by 15% more. By what percent has it come down in all? =
10. 10.A price comes down by 20% and then comes down by 50% more. By what percent has it come down in all? =
11. 11.A shop sells 640 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
12. 12.A water tank holds 840 litres. 25% of the water is used. How many litres are left?
13. 13.A shop sells 2300 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
14. 14.A water tank holds 4120 litres. 50% of the water is used. How many litres are left?
15. 15.A town has 280 people. Its population grows by 25%. How many people live there now?
16. 16.A shop sells 3200 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
17. 17.The price of a school bag changes from ₹500 to ₹475. By what percent did it come down?
18. 18.The price of a bicycle is ₹4940. It goes up by 5%. What is the new price (in ₹)?
19. 19.A water tank holds 2600 litres. 5% of the water is used. How many litres are left?
20. 20.A shop sells 3200 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
21. 21.A price goes up by 20% and then comes down by 10%. By what percent has it gone up in all? =
22. 22.A price goes up by 20% and then goes up by 25% more. By what percent has it gone up in all? =
23. 23.The price of a school bag changes from ₹2320 to ₹2900. By what percent did it go up?
24. 24.The price of a school bag changes from ₹1080 to ₹918. By what percent did it come down?
25. 25.A price goes up by 50% and then goes up by 15% more. By what percent has it gone up in all? =
26. 26.The price of a school bag changes from ₹1500 to ₹1950. By what percent did it go up?
27. 27.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
28. 28.A water tank holds 1460 litres. 30% of the water is used. How many litres are left?
29. 29.The price of a bicycle is ₹4520. It goes up by 25%. What is the new price (in ₹)?
30. 30.The price of a school bag changes from ₹5000 to ₹3500. By what percent did it come down?
31. 31.A water tank holds 4400 litres. 40% of the water is used. How many litres are left?
32. 32.A water tank holds 4040 litres. 10% of the water is used. How many litres are left?
33. 33.A water tank holds 1500 litres. 5% of the water is used. How many litres are left?
34. 34.The price of a school bag changes from ₹2300 to ₹1840. By what percent did it come down?
35. 35.A price comes down by 5% and then comes down by 30% more. By what percent has it come down in all? =
36. 36.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
37. 37.A water tank holds 3120 litres. 5% of the water is used. How many litres are left?
38. 38.The price of a school bag changes from ₹2300 to ₹2530. By what percent did it go up?
39. 39.A shop sells 3160 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
40. 40.The price of a school bag changes from ₹3480 to ₹3132. By what percent did it come down?

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