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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 622 · 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.Riya spent ₹23, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.Meera spent ₹57, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.74 is 50% of ?
  4. 4.8 is 10% of ?
  5. 5.45 is 12% of ?
  6. 6.10% of a number is 10. What is the number?
  7. 7.10% of a number is 3. What is the number?
  8. 8.210 is 75% of ?
  9. 9.Riya spent ₹11, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.Kabir spent ₹296, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.20% of a number is 11. What is the number?
  12. 12.25% of a number is 40. What is the number?
  13. 13.69 is 60% of ?
  14. 14.Aarav spent ₹5, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.Meera spent ₹15, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.5% of a number is 12. What is the number?
  17. 17.Ishaan spent ₹172, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  18. 18.15% of a number is 30. What is the number?
  19. 19.30% of a number is 18. What is the number?
  20. 20.83 is 50% of ?
  21. 21.39 is 50% of ?
  22. 22.30% of a number is 45. What is the number?
  23. 23.25% of a number is 22. What is the number?
  24. 24.80% of a number is 316. What is the number?
  25. 25.50 is 20% of ?
  26. 26.Riya spent ₹54, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.20% of a number is 42. What is the number?
  28. 28.50% of a number is 173. What is the number?
  29. 29.32 is 10% of ?
  30. 30.Dev spent ₹6, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.160 is 80% of ?
  32. 32.Aarav spent ₹69, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.54 is 15% of ?
  34. 34.150 is 50% of ?
  35. 35.15% of a number is 57. What is the number?
  36. 36.276 is 75% of ?
  37. 37.Riya spent ₹39, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.128 is 80% of ?
  39. 39.8 is 80% of ?
  40. 40.Sara spent ₹36, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 115
  2. 95
  3. 148
  4. 80
  5. 375
  6. 100
  7. 30
  8. 280
  9. 220
  10. 370
  11. 55
  12. 160
  13. 115
  14. 100
  15. 60
  16. 240
  17. 215
  18. 200
  19. 60
  20. 166
  21. 78
  22. 150
  23. 88
  24. 395
  25. 250
  26. 360
  27. 210
  28. 346
  29. 320
  30. 20
  31. 200
  32. 276
  33. 360
  34. 300
  35. 380
  36. 368
  37. 325
  38. 160
  39. 10
  40. 180

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