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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 557 · 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. 1.45 is 15% of ?
  2. 2.25% of a number is 46. What is the number?
  3. 3.10% of a number is 20. What is the number?
  4. 4.162 is 75% of ?
  5. 5.50% of a number is 99. What is the number?
  6. 6.Rohan spent ₹231, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.12 is 75% of ?
  8. 8.12% of a number is 42. What is the number?
  9. 9.69 is 30% of ?
  10. 10.Sara spent ₹129, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.75% of a number is 75. What is the number?
  12. 12.30% of a number is 42. What is the number?
  13. 13.30% of a number is 60. What is the number?
  14. 14.Meera spent ₹52, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.Riya spent ₹48, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.27 is 75% of ?
  17. 17.60 is 20% of ?
  18. 18.10% of a number is 8. What is the number?
  19. 19.30 is 12% of ?
  20. 20.15% of a number is 33. What is the number?
  21. 21.36 is 75% of ?
  22. 22.6 is 12% of ?
  23. 23.Kabir spent ₹18, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.Kabir spent ₹15, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.20% of a number is 69. What is the number?
  26. 26.12 is 15% of ?
  27. 27.20 is 40% of ?
  28. 28.25% of a number is 5. What is the number?
  29. 29.80% of a number is 244. What is the number?
  30. 30.10% of a number is 10. What is the number?
  31. 31.40% of a number is 72. What is the number?
  32. 32.30% of a number is 102. What is the number?
  33. 33.156 is 40% of ?
  34. 34.Sara spent ₹41, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.Rohan spent ₹60, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Kabir spent ₹5, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.Anaya spent ₹90, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  38. 38.25% of a number is 31. What is the number?
  39. 39.Riya spent ₹53, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.56 is 25% of ?

Answer key

  1. 300
  2. 184
  3. 200
  4. 216
  5. 198
  6. 385
  7. 16
  8. 350
  9. 230
  10. 215
  11. 100
  12. 140
  13. 200
  14. 65
  15. 64
  16. 36
  17. 300
  18. 80
  19. 250
  20. 220
  21. 48
  22. 50
  23. 360
  24. 25
  25. 345
  26. 80
  27. 50
  28. 20
  29. 305
  30. 100
  31. 180
  32. 340
  33. 390
  34. 205
  35. 120
  36. 100
  37. 300
  38. 124
  39. 212
  40. 224

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