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Percentage Increase and Decrease Worksheet

Quantitative aptitude lesson 11: Percentage increase and decrease · Set 695 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.The price of a bicycle is ₹60. It goes up by 5%. What is the new price (in ₹)?
  2. 2.A price comes down by 10% and then comes down by 25% more. By what percent has it come down in all? =
  3. 3.A water tank holds 1420 litres. 25% of the water is used. How many litres are left?
  4. 4.A water tank holds 440 litres. 5% of the water is used. How many litres are left?
  5. 5.The price of a bicycle is ₹2580. It goes up by 40%. What is the new price (in ₹)?
  6. 6.A price goes up by 30% and then goes up by 50% more. By what percent has it gone up in all? =
  7. 7.A town has 1880 people. Its population grows by 10%. How many people live there now?
  8. 8.The price of a bicycle is ₹3440. It goes up by 25%. What is the new price (in ₹)?
  9. 9.A town has 2940 people. Its population grows by 10%. How many people live there now?
  10. 10.A water tank holds 960 litres. 15% of the water is used. How many litres are left?
  11. 11.A water tank holds 4400 litres. 40% of the water is used. How many litres are left?
  12. 12.A water tank holds 2200 litres. 5% of the water is used. How many litres are left?
  13. 13.The price of a school bag changes from ₹160 to ₹168. By what percent did it go up?
  14. 14.A water tank holds 740 litres. 20% of the water is used. How many litres are left?
  15. 15.The price of a bicycle is ₹2480. It goes up by 50%. What is the new price (in ₹)?
  16. 16.A price comes down by 30% and then comes down by 30% more. By what percent has it come down in all? =
  17. 17.A water tank holds 660 litres. 10% of the water is used. How many litres are left?
  18. 18.A water tank holds 4220 litres. 20% of the water is used. How many litres are left?
  19. 19.A shop sells 1420 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
  20. 20.The price of a school bag changes from ₹3080 to ₹4004. By what percent did it go up?
  21. 21.A town has 960 people. Its population grows by 25%. How many people live there now?
  22. 22.A town has 4400 people. Its population grows by 25%. How many people live there now?
  23. 23.A water tank holds 3060 litres. 20% of the water is used. How many litres are left?
  24. 24.A price goes up by 30% and then goes up by 5% more. By what percent has it gone up in all? =
  25. 25.A shop sells 3740 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
  26. 26.The price of a school bag changes from ₹1600 to ₹1360. By what percent did it come down?
  27. 27.A water tank holds 3720 litres. 25% of the water is used. How many litres are left?
  28. 28.The price of a school bag changes from ₹1140 to ₹684. By what percent did it come down?
  29. 29.A water tank holds 1200 litres. 25% of the water is used. How many litres are left?
  30. 30.The price of a bicycle is ₹1080. It goes up by 15%. What is the new price (in ₹)?
  31. 31.The price of a school bag changes from ₹2960 to ₹4440. By what percent did it go up?
  32. 32.A water tank holds 260 litres. 30% of the water is used. How many litres are left?
  33. 33.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
  34. 34.The price of a school bag changes from ₹1500 to ₹2250. By what percent did it go up?
  35. 35.The price of a bicycle is ₹140. It goes up by 20%. What is the new price (in ₹)?
  36. 36.A price goes up by 25% and then goes up by 25% more. By what percent has it gone up in all? =
  37. 37.The price of a school bag changes from ₹3180 to ₹3657. By what percent did it go up?
  38. 38.The price of a school bag changes from ₹4420 to ₹2652. By what percent did it come down?
  39. 39.A price goes up by 50% and then goes up by 10% more. By what percent has it gone up in all? =
  40. 40.A shop sells 2340 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?

Answer key

  1. 63
  2. 32.5
  3. 1065
  4. 418
  5. 3612
  6. 95
  7. 2068
  8. 4300
  9. 3234
  10. 816
  11. 2640
  12. 2090
  13. 5
  14. 592
  15. 3720
  16. 51
  17. 594
  18. 3376
  19. 1633
  20. 30
  21. 1200
  22. 5500
  23. 2448
  24. 36.5
  25. 4301
  26. 15
  27. 2790
  28. 40
  29. 900
  30. 1242
  31. 50
  32. 182
  33. 14.5
  34. 50
  35. 168
  36. 56.25
  37. 15
  38. 40
  39. 65
  40. 2925

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