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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 271 · 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. 1.90 is 50% of ?
  2. 2.15 is 5% of ?
  3. 3.Arjun spent ₹7, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.60% of a number is 210. What is the number?
  5. 5.80% of a number is 68. What is the number?
  6. 6.237 is 75% of ?
  7. 7.15% of a number is 54. What is the number?
  8. 8.40% of a number is 42. What is the number?
  9. 9.140 is 80% of ?
  10. 10.24 is 12% of ?
  11. 11.Riya spent ₹15, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.40% of a number is 8. What is the number?
  13. 13.Meera spent ₹7, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Meera spent ₹12, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.27 is 20% of ?
  16. 16.50% of a number is 139. What is the number?
  17. 17.42 is 12% of ?
  18. 18.Kabir spent ₹49, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.60% of a number is 72. What is the number?
  20. 20.120 is 30% of ?
  21. 21.10% of a number is 34. What is the number?
  22. 22.Rohan spent ₹12, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.12 is 60% of ?
  24. 24.Arjun spent ₹24, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.30% of a number is 120. What is the number?
  26. 26.30% of a number is 63. What is the number?
  27. 27.Rohan spent ₹160, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.102 is 50% of ?
  29. 29.25% of a number is 3. What is the number?
  30. 30.25% of a number is 64. What is the number?
  31. 31.60% of a number is 39. What is the number?
  32. 32.75% of a number is 45. What is the number?
  33. 33.Sara spent ₹27, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.75% of a number is 81. What is the number?
  35. 35.21 is 25% of ?
  36. 36.20% of a number is 70. What is the number?
  37. 37.288 is 75% of ?
  38. 38.5 is 5% of ?
  39. 39.60% of a number is 138. What is the number?
  40. 40.Diya spent ₹186, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 180
  2. 300
  3. 140
  4. 350
  5. 85
  6. 316
  7. 360
  8. 105
  9. 175
  10. 200
  11. 125
  12. 20
  13. 140
  14. 100
  15. 135
  16. 278
  17. 350
  18. 245
  19. 120
  20. 400
  21. 340
  22. 120
  23. 20
  24. 60
  25. 400
  26. 210
  27. 400
  28. 204
  29. 12
  30. 256
  31. 65
  32. 60
  33. 180
  34. 108
  35. 84
  36. 350
  37. 384
  38. 100
  39. 230
  40. 248

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