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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 659 · 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. 1.15% of a number is 15. What is the number?
  2. 2.20% of a number is 23. What is the number?
  3. 3.Ishaan spent ₹17, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.5% of a number is 1. What is the number?
  5. 5.12% of a number is 45. What is the number?
  6. 6.78 is 20% of ?
  7. 7.6 is 12% of ?
  8. 8.30% of a number is 114. What is the number?
  9. 9.72 is 60% of ?
  10. 10.Kabir spent ₹228, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.60% of a number is 96. What is the number?
  12. 12.30% of a number is 21. What is the number?
  13. 13.Diya spent ₹81, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.Riya spent ₹116, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.Kabir spent ₹27, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.30% of a number is 96. What is the number?
  17. 17.Meera spent ₹12, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Sara spent ₹18, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.Anaya spent ₹42, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.Meera spent ₹57, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.3 is 30% of ?
  22. 22.Isha spent ₹36, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.30% of a number is 18. What is the number?
  24. 24.5% of a number is 16. What is the number?
  25. 25.Kabir spent ₹135, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.15 is 20% of ?
  27. 27.13 is 5% of ?
  28. 28.15% of a number is 6. What is the number?
  29. 29.60% of a number is 102. What is the number?
  30. 30.Sara spent ₹21, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.40% of a number is 70. What is the number?
  32. 32.Ishaan spent ₹55, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.10% of a number is 15. What is the number?
  34. 34.15 is 15% of ?
  35. 35.20% of a number is 54. What is the number?
  36. 36.30% of a number is 102. What is the number?
  37. 37.66 is 30% of ?
  38. 38.Isha spent ₹3, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.Meera spent ₹12, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.Sara spent ₹125, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 100
  2. 115
  3. 340
  4. 20
  5. 375
  6. 390
  7. 50
  8. 380
  9. 120
  10. 380
  11. 160
  12. 70
  13. 270
  14. 145
  15. 225
  16. 320
  17. 240
  18. 24
  19. 350
  20. 190
  21. 10
  22. 300
  23. 60
  24. 320
  25. 270
  26. 75
  27. 260
  28. 40
  29. 170
  30. 84
  31. 175
  32. 275
  33. 150
  34. 100
  35. 270
  36. 340
  37. 220
  38. 20
  39. 100
  40. 250

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