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Percentage Increase and Decrease Worksheet

Quantitative aptitude lesson 11: Percentage increase and decrease · Set 232 · 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.A shop sells 760 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  2. 2.A water tank holds 1400 litres. 50% of the water is used. How many litres are left?
  3. 3.A water tank holds 3420 litres. 30% of the water is used. How many litres are left?
  4. 4.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
  5. 5.A shop sells 440 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
  6. 6.The price of a school bag changes from ₹3980 to ₹3184. By what percent did it come down?
  7. 7.The price of a bicycle is ₹2920. It goes up by 50%. What is the new price (in ₹)?
  8. 8.A price comes down by 30% and then comes down by 5% more. By what percent has it come down in all? =
  9. 9.A water tank holds 1580 litres. 15% of the water is used. How many litres are left?
  10. 10.The price of a school bag changes from ₹1860 to ₹1953. By what percent did it go up?
  11. 11.The price of a school bag changes from ₹2560 to ₹3328. By what percent did it go up?
  12. 12.A price comes down by 15% and then comes down by 20% more. By what percent has it come down in all? =
  13. 13.The price of a school bag changes from ₹4300 to ₹5590. By what percent did it go up?
  14. 14.The price of a bicycle is ₹760. It goes up by 10%. What is the new price (in ₹)?
  15. 15.A price comes down by 30% and then comes down by 10% more. By what percent has it come down in all? =
  16. 16.The price of a school bag changes from ₹2240 to ₹1344. By what percent did it come down?
  17. 17.A water tank holds 1640 litres. 5% of the water is used. How many litres are left?
  18. 18.The price of a bicycle is ₹1060. It goes up by 10%. What is the new price (in ₹)?
  19. 19.The price of a bicycle is ₹280. It goes up by 50%. What is the new price (in ₹)?
  20. 20.The price of a school bag changes from ₹3120 to ₹4680. By what percent did it go up?
  21. 21.A price comes down by 5% and then comes down by 25% more. By what percent has it come down in all? =
  22. 22.A water tank holds 1000 litres. 40% of the water is used. How many litres are left?
  23. 23.A water tank holds 2260 litres. 10% of the water is used. How many litres are left?
  24. 24.A town has 4700 people. Its population grows by 50%. How many people live there now?
  25. 25.A water tank holds 60 litres. 5% of the water is used. How many litres are left?
  26. 26.A price goes up by 15% and then goes up by 50% more. By what percent has it gone up in all? =
  27. 27.A shop sells 2300 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 school bag changes from ₹4300 to ₹4515. By what percent did it go up?
  29. 29.A price goes up by 30% and then goes up by 10% more. By what percent has it gone up in all? =
  30. 30.The price of a school bag changes from ₹3340 to ₹3173. By what percent did it come down?
  31. 31.The price of a bicycle is ₹2000. It goes up by 50%. What is the new price (in ₹)?
  32. 32.A water tank holds 3600 litres. 10% of the water is used. How many litres are left?
  33. 33.The price of a school bag changes from ₹80 to ₹88. By what percent did it go up?
  34. 34.The price of a bicycle is ₹420. It goes up by 50%. What is the new price (in ₹)?
  35. 35.A water tank holds 460 litres. 15% of the water is used. How many litres are left?
  36. 36.A shop sells 2680 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
  37. 37.A town has 2460 people. Its population grows by 5%. How many people live there now?
  38. 38.The price of a bicycle is ₹4900. It goes up by 5%. What is the new price (in ₹)?
  39. 39.A water tank holds 2220 litres. 15% of the water is used. How many litres are left?
  40. 40.The price of a school bag changes from ₹2580 to ₹1935. By what percent did it come down?

Answer key

  1. 950
  2. 700
  3. 2394
  4. 14.5
  5. 572
  6. 20
  7. 4380
  8. 33.5
  9. 1343
  10. 5
  11. 30
  12. 32
  13. 30
  14. 836
  15. 37
  16. 40
  17. 1558
  18. 1166
  19. 420
  20. 50
  21. 28.75
  22. 600
  23. 2034
  24. 7050
  25. 57
  26. 72.5
  27. 3220
  28. 5
  29. 43
  30. 5
  31. 3000
  32. 3240
  33. 10
  34. 630
  35. 391
  36. 3484
  37. 2583
  38. 5145
  39. 1887
  40. 25

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