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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 868 · 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. 1.31 is 20% of ?
  2. 2.50% of a number is 171. What is the number?
  3. 3.20% of a number is 7. What is the number?
  4. 4.50% of a number is 17. What is the number?
  5. 5.294 is 75% of ?
  6. 6.Diya spent ₹45, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.12% of a number is 24. What is the number?
  8. 8.Anaya spent ₹9, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.80% of a number is 100. What is the number?
  10. 10.Riya spent ₹48, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.Kabir spent ₹24, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.40 is 80% of ?
  13. 13.96 is 60% of ?
  14. 14.20% of a number is 3. What is the number?
  15. 15.12% of a number is 42. What is the number?
  16. 16.40% of a number is 34. What is the number?
  17. 17.15% of a number is 42. What is the number?
  18. 18.Sara spent ₹4, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.60% of a number is 9. What is the number?
  20. 20.10% of a number is 32. What is the number?
  21. 21.25% of a number is 82. What is the number?
  22. 22.20% of a number is 55. What is the number?
  23. 23.15% of a number is 39. What is the number?
  24. 24.42 is 12% of ?
  25. 25.10% of a number is 3. What is the number?
  26. 26.75% of a number is 57. What is the number?
  27. 27.222 is 60% of ?
  28. 28.120 is 80% of ?
  29. 29.20% of a number is 19. What is the number?
  30. 30.Sara spent ₹20, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.50% of a number is 23. What is the number?
  32. 32.12% of a number is 6. What is the number?
  33. 33.57 is 15% of ?
  34. 34.20% of a number is 23. What is the number?
  35. 35.20 is 80% of ?
  36. 36.276 is 75% of ?
  37. 37.40% of a number is 62. What is the number?
  38. 38.146 is 50% of ?
  39. 39.Riya spent ₹244, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Aarav spent ₹61, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 155
  2. 342
  3. 35
  4. 34
  5. 392
  6. 150
  7. 200
  8. 12
  9. 125
  10. 400
  11. 60
  12. 50
  13. 160
  14. 15
  15. 350
  16. 85
  17. 280
  18. 80
  19. 15
  20. 320
  21. 328
  22. 275
  23. 260
  24. 350
  25. 30
  26. 76
  27. 370
  28. 150
  29. 95
  30. 400
  31. 46
  32. 50
  33. 380
  34. 115
  35. 25
  36. 368
  37. 155
  38. 292
  39. 305
  40. 244

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