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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 655 · 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.Isha spent ₹27, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.25% of a number is 20. What is the number?
  3. 3.31 is 10% of ?
  4. 4.7 is 10% of ?
  5. 5.7 is 20% of ?
  6. 6.60% of a number is 57. What is the number?
  7. 7.75% of a number is 69. What is the number?
  8. 8.114 is 60% of ?
  9. 9.Riya spent ₹168, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.5% of a number is 19. What is the number?
  11. 11.28 is 25% of ?
  12. 12.30% of a number is 117. What is the number?
  13. 13.10% of a number is 9. What is the number?
  14. 14.Isha spent ₹10, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Anaya spent ₹99, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.40% of a number is 54. What is the number?
  17. 17.Aarav spent ₹21, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.83 is 25% of ?
  19. 19.Riya spent ₹6, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.16 is 10% of ?
  21. 21.Meera spent ₹171, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.10% of a number is 20. What is the number?
  23. 23.75% of a number is 30. What is the number?
  24. 24.Aarav spent ₹69, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.8 is 5% of ?
  26. 26.174 is 75% of ?
  27. 27.Kabir spent ₹39, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.80% of a number is 176. What is the number?
  29. 29.Rohan spent ₹105, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.34 is 10% of ?
  31. 31.40% of a number is 38. What is the number?
  32. 32.27 is 30% of ?
  33. 33.20% of a number is 56. What is the number?
  34. 34.Meera spent ₹3, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.10% of a number is 4. What is the number?
  36. 36.210 is 75% of ?
  37. 37.39 is 15% of ?
  38. 38.18 is 15% of ?
  39. 39.60% of a number is 24. What is the number?
  40. 40.231 is 60% of ?

Answer key

  1. 45
  2. 80
  3. 310
  4. 70
  5. 35
  6. 95
  7. 92
  8. 190
  9. 224
  10. 380
  11. 112
  12. 390
  13. 90
  14. 40
  15. 330
  16. 135
  17. 210
  18. 332
  19. 40
  20. 160
  21. 285
  22. 200
  23. 40
  24. 230
  25. 160
  26. 232
  27. 325
  28. 220
  29. 350
  30. 340
  31. 95
  32. 90
  33. 280
  34. 30
  35. 40
  36. 280
  37. 260
  38. 120
  39. 40
  40. 385

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