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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 649 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.Sara spent ₹191, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  2. 2.5% of a number is 5. What is the number?
  3. 3.Aarav spent ₹96, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.40% of a number is 24. What is the number?
  5. 5.Sara spent ₹3, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.5% of a number is 3. What is the number?
  7. 7.Aarav spent ₹5, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.25% of a number is 15. What is the number?
  9. 9.12 is 12% of ?
  10. 10.30% of a number is 69. What is the number?
  11. 11.10% of a number is 1. What is the number?
  12. 12.Kabir spent ₹96, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.25% of a number is 55. What is the number?
  14. 14.Rohan spent ₹37, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.12% of a number is 6. What is the number?
  16. 16.15% of a number is 54. What is the number?
  17. 17.20% of a number is 7. What is the number?
  18. 18.40% of a number is 58. What is the number?
  19. 19.Diya spent ₹172, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.20% of a number is 60. What is the number?
  21. 21.14 is 50% of ?
  22. 22.Dev spent ₹216, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.12% of a number is 24. What is the number?
  24. 24.15% of a number is 57. What is the number?
  25. 25.Aarav spent ₹60, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.50% of a number is 93. What is the number?
  27. 27.70 is 40% of ?
  28. 28.10% of a number is 35. What is the number?
  29. 29.Sara spent ₹51, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.65 is 50% of ?
  31. 31.10% of a number is 5. What is the number?
  32. 32.Sara spent ₹123, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.30% of a number is 66. What is the number?
  34. 34.129 is 50% of ?
  35. 35.Isha spent ₹156, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.30% of a number is 42. What is the number?
  37. 37.60% of a number is 42. What is the number?
  38. 38.55 is 25% of ?
  39. 39.30% of a number is 15. What is the number?
  40. 40.Meera spent ₹12, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 382
  2. 100
  3. 240
  4. 60
  5. 25
  6. 60
  7. 10
  8. 60
  9. 100
  10. 230
  11. 10
  12. 320
  13. 220
  14. 74
  15. 50
  16. 360
  17. 35
  18. 145
  19. 344
  20. 300
  21. 28
  22. 360
  23. 200
  24. 380
  25. 200
  26. 186
  27. 175
  28. 350
  29. 340
  30. 130
  31. 50
  32. 246
  33. 220
  34. 258
  35. 390
  36. 140
  37. 70
  38. 220
  39. 50
  40. 80

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