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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 654 · 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. 1.12% of a number is 3. What is the number?
  2. 2.40% of a number is 144. What is the number?
  3. 3.Aarav spent ₹90, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.10% of a number is 33. What is the number?
  5. 5.Meera spent ₹172, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.12% of a number is 39. What is the number?
  7. 7.35 is 10% of ?
  8. 8.20 is 20% of ?
  9. 9.150 is 40% of ?
  10. 10.Anaya spent ₹6, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.294 is 75% of ?
  12. 12.Aarav spent ₹70, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.Arjun spent ₹132, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.60% of a number is 30. What is the number?
  15. 15.Riya spent ₹42, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.Meera spent ₹36, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.Kabir spent ₹92, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.4 is 80% of ?
  19. 19.10 is 10% of ?
  20. 20.30 is 15% of ?
  21. 21.Arjun spent ₹225, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.9 is 10% of ?
  23. 23.10% of a number is 7. What is the number?
  24. 24.Aarav spent ₹81, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.59 is 20% of ?
  26. 26.66 is 75% of ?
  27. 27.Ishaan spent ₹87, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.9 is 15% of ?
  29. 29.Riya spent ₹15, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.60% of a number is 51. What is the number?
  31. 31.168 is 50% of ?
  32. 32.80% of a number is 292. What is the number?
  33. 33.114 is 40% of ?
  34. 34.Sara spent ₹12, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.Aarav spent ₹312, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.Aarav spent ₹60, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  37. 37.Riya spent ₹18, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.56 is 40% of ?
  39. 39.25% of a number is 4. What is the number?
  40. 40.34 is 10% of ?

Answer key

  1. 25
  2. 360
  3. 225
  4. 330
  5. 215
  6. 325
  7. 350
  8. 100
  9. 375
  10. 30
  11. 392
  12. 350
  13. 165
  14. 50
  15. 105
  16. 90
  17. 230
  18. 5
  19. 100
  20. 200
  21. 300
  22. 90
  23. 70
  24. 324
  25. 295
  26. 88
  27. 290
  28. 60
  29. 100
  30. 85
  31. 336
  32. 365
  33. 285
  34. 240
  35. 390
  36. 400
  37. 90
  38. 140
  39. 16
  40. 340

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