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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 877 · 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. 1.25% of a number is 72. What is the number?
  2. 2.10% of a number is 35. What is the number?
  3. 3.20% of a number is 71. What is the number?
  4. 4.60% of a number is 237. What is the number?
  5. 5.4 is 25% of ?
  6. 6.4 is 10% of ?
  7. 7.30 is 15% of ?
  8. 8.51 is 15% of ?
  9. 9.Aarav spent ₹57, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.69 is 75% of ?
  11. 11.39 is 12% of ?
  12. 12.20 is 25% of ?
  13. 13.36 is 15% of ?
  14. 14.11 is 5% of ?
  15. 15.19 is 20% of ?
  16. 16.10% of a number is 39. What is the number?
  17. 17.22 is 50% of ?
  18. 18.11 is 25% of ?
  19. 19.80% of a number is 172. What is the number?
  20. 20.Aarav spent ₹60, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.Aarav spent ₹9, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.134 is 50% of ?
  23. 23.10% of a number is 38. What is the number?
  24. 24.10% of a number is 7. What is the number?
  25. 25.Rohan spent ₹172, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.Kabir spent ₹54, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.69 is 60% of ?
  28. 28.172 is 80% of ?
  29. 29.30% of a number is 108. What is the number?
  30. 30.20% of a number is 52. What is the number?
  31. 31.10% of a number is 6. What is the number?
  32. 32.Riya spent ₹8, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.Kabir spent ₹234, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.Aarav spent ₹15, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.60% of a number is 234. What is the number?
  36. 36.50% of a number is 170. What is the number?
  37. 37.20% of a number is 56. What is the number?
  38. 38.Kabir spent ₹78, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.25% of a number is 37. What is the number?
  40. 40.197 is 50% of ?

Answer key

  1. 288
  2. 350
  3. 355
  4. 395
  5. 16
  6. 40
  7. 200
  8. 340
  9. 380
  10. 92
  11. 325
  12. 80
  13. 240
  14. 220
  15. 95
  16. 390
  17. 44
  18. 44
  19. 215
  20. 100
  21. 180
  22. 268
  23. 380
  24. 70
  25. 215
  26. 360
  27. 115
  28. 215
  29. 360
  30. 260
  31. 60
  32. 160
  33. 312
  34. 125
  35. 390
  36. 340
  37. 280
  38. 104
  39. 148
  40. 394

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