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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 872 · 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. 1.168 is 50% of ?
  2. 2.Meera spent ₹78, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.117 is 75% of ?
  4. 4.Dev spent ₹65, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.10% of a number is 27. What is the number?
  6. 6.75% of a number is 153. What is the number?
  7. 7.3 is 30% of ?
  8. 8.9 is 5% of ?
  9. 9.40% of a number is 4. What is the number?
  10. 10.Rohan spent ₹12, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.Kabir spent ₹16, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.Isha spent ₹82, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.60% of a number is 90. What is the number?
  14. 14.21 is 25% of ?
  15. 15.Diya spent ₹183, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.15% of a number is 21. What is the number?
  17. 17.23 is 50% of ?
  18. 18.15% of a number is 3. What is the number?
  19. 19.Isha spent ₹18, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  20. 20.6 is 12% of ?
  21. 21.Rohan spent ₹16, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.30 is 15% of ?
  23. 23.Rohan spent ₹5, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.10% of a number is 33. What is the number?
  25. 25.Diya spent ₹87, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.22 is 10% of ?
  27. 27.40% of a number is 20. What is the number?
  28. 28.30% of a number is 39. What is the number?
  29. 29.24 is 12% of ?
  30. 30.Riya spent ₹200, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.12% of a number is 27. What is the number?
  32. 32.40% of a number is 38. What is the number?
  33. 33.Diya spent ₹7, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.Rohan spent ₹27, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.60 is 25% of ?
  36. 36.64 is 80% of ?
  37. 37.Aarav spent ₹156, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.30% of a number is 69. What is the number?
  39. 39.Aarav spent ₹27, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.Diya spent ₹42, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 336
  2. 260
  3. 156
  4. 130
  5. 270
  6. 204
  7. 10
  8. 180
  9. 10
  10. 20
  11. 320
  12. 328
  13. 150
  14. 84
  15. 244
  16. 140
  17. 46
  18. 20
  19. 120
  20. 50
  21. 80
  22. 200
  23. 50
  24. 330
  25. 145
  26. 220
  27. 50
  28. 130
  29. 200
  30. 250
  31. 225
  32. 95
  33. 140
  34. 36
  35. 240
  36. 80
  37. 208
  38. 230
  39. 180
  40. 350

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