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Percentage Decrease Practice Worksheet

Percentage lesson 11: Percentage decrease · Set 3 · 40 questions
TalentJR

How to work it out (The old value is 100%): Decrease = old value − new value. Percentage decrease = decrease ÷ old value × 100. Decrease by p%: new value = old value − p% of the old value.

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  1. 1.A tank had 50 litres of water. Now it has 20 litres. What is the percentage decrease?
  2. 2.The price of a toy car comes down from ₹500 to ₹425. What is the percentage decrease?
  3. 3.A team scored 50 runs in one match and 45 runs in the next. What is the percentage decrease?
  4. 4.A tank has 150 litres of water and 6% of it is used. How many litres are left?
  5. 5.A team scored 120 runs in one match and 12 runs in the next. What is the percentage decrease?
  6. 6.A kite costs ₹120. The price comes down by 40%. What is the new price, in rupees?
  7. 7.A team scored 60 runs in one match and 75% fewer in the next. How many runs did it score in the next match?
  8. 8.A tank had 400 litres of water. Now it has 132 litres. What is the percentage decrease?
  9. 9.A team scored 40 runs in one match and 28 runs in the next. What is the percentage decrease?
  10. 10.A tank has 40 litres of water and 65% of it is used. How many litres are left?
  11. 11.The price of a torch comes down from ₹60 to ₹18. What is the percentage decrease?
  12. 12.A team scored 120 runs in one match and 25% fewer in the next. How many runs did it score in the next match?
  13. 13.A team scored 80 runs in one match and 12 runs in the next. What is the percentage decrease?
  14. 14.A team scored 40 runs in one match and 30% fewer in the next. How many runs did it score in the next match?
  15. 15.A tank has 100 litres of water and 7% of it is used. How many litres are left?
  16. 16.The price of a wall clock comes down from ₹20 to ₹19. What is the percentage decrease?
  17. 17.A team scored 100 runs in one match and 55% fewer in the next. How many runs did it score in the next match?
  18. 18.The price of a storybook comes down from ₹120 to ₹96. What is the percentage decrease?
  19. 19.A team scored 40 runs in one match and 16 runs in the next. What is the percentage decrease?
  20. 20.The price of a storybook comes down from ₹250 to ₹110. What is the percentage decrease?
  21. 21.A tank had 60 litres of water. Now it has 51 litres. What is the percentage decrease?
  22. 22.A table fan costs ₹200. The price comes down by 77%. What is the new price, in rupees?
  23. 23.A tank had 300 litres of water. Now it has 258 litres. What is the percentage decrease?
  24. 24.A team scored 250 runs in one match and 155 runs in the next. What is the percentage decrease?
  25. 25.The price of a school bag comes down from ₹120 to ₹102. What is the percentage decrease?
  26. 26.A table fan costs ₹250. The price comes down by 70%. What is the new price, in rupees?
  27. 27.A team scored 100 runs in one match and 49 runs in the next. What is the percentage decrease?
  28. 28.A tank has 250 litres of water and 66% of it is used. How many litres are left?
  29. 29.A tank has 120 litres of water and 25% of it is used. How many litres are left?
  30. 30.The price of a school bag comes down from ₹60 to ₹27. What is the percentage decrease?
  31. 31.A table fan costs ₹250. The price comes down by 56%. What is the new price, in rupees?
  32. 32.A football costs ₹25. The price comes down by 80%. What is the new price, in rupees?
  33. 33.The price of a school bag comes down from ₹150 to ₹45. What is the percentage decrease?
  34. 34.A tank has 60 litres of water and 55% of it is used. How many litres are left?
  35. 35.A football costs ₹50. The price comes down by 20%. What is the new price, in rupees?
  36. 36.A team scored 400 runs in one match and 108 runs in the next. What is the percentage decrease?
  37. 37.A wall clock costs ₹50. The price comes down by 10%. What is the new price, in rupees?
  38. 38.The price of a lunch box comes down from ₹120 to ₹114. What is the percentage decrease?
  39. 39.A tank had 60 litres of water. Now it has 45 litres. What is the percentage decrease?
  40. 40.A tank has 120 litres of water and 90% of it is used. How many litres are left?

Answer key

  1. 60
  2. 15
  3. 10
  4. 141
  5. 90
  6. 72
  7. 15
  8. 67
  9. 30
  10. 14
  11. 70
  12. 90
  13. 85
  14. 28
  15. 93
  16. 5
  17. 45
  18. 20
  19. 60
  20. 56
  21. 15
  22. 46
  23. 14
  24. 38
  25. 15
  26. 75
  27. 51
  28. 85
  29. 90
  30. 55
  31. 110
  32. 5
  33. 70
  34. 27
  35. 40
  36. 73
  37. 45
  38. 5
  39. 25
  40. 12

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