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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 677 · 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.Sara spent ₹52, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  2. 2.Aarav spent ₹6, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.10% of a number is 7. What is the number?
  4. 4.Diya spent ₹114, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  5. 5.Isha spent ₹15, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.10% of a number is 6. What is the number?
  7. 7.65 is 50% of ?
  8. 8.3 is 20% of ?
  9. 9.56 is 80% of ?
  10. 10.Riya spent ₹18, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.25% of a number is 64. What is the number?
  12. 12.Riya spent ₹5, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.24 is 12% of ?
  14. 14.Kabir spent ₹49, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.280 is 80% of ?
  16. 16.Diya spent ₹50, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.Rohan spent ₹224, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  18. 18.Meera spent ₹130, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.6 is 5% of ?
  20. 20.20% of a number is 5. What is the number?
  21. 21.25% of a number is 47. What is the number?
  22. 22.8 is 10% of ?
  23. 23.25% of a number is 20. What is the number?
  24. 24.Arjun spent ₹39, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.Dev spent ₹219, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.Meera spent ₹69, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.27 is 50% of ?
  28. 28.20% of a number is 18. What is the number?
  29. 29.9 is 60% of ?
  30. 30.75% of a number is 300. What is the number?
  31. 31.273 is 75% of ?
  32. 32.40% of a number is 52. What is the number?
  33. 33.3 is 15% of ?
  34. 34.80% of a number is 32. What is the number?
  35. 35.Aarav spent ₹45, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.Sara spent ₹55, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.30% of a number is 45. What is the number?
  38. 38.Riya spent ₹12, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.174 is 75% of ?
  40. 40.20% of a number is 64. What is the number?

Answer key

  1. 260
  2. 50
  3. 70
  4. 380
  5. 20
  6. 60
  7. 130
  8. 15
  9. 70
  10. 120
  11. 256
  12. 25
  13. 200
  14. 245
  15. 350
  16. 125
  17. 280
  18. 325
  19. 120
  20. 25
  21. 188
  22. 80
  23. 80
  24. 130
  25. 365
  26. 138
  27. 54
  28. 90
  29. 15
  30. 400
  31. 364
  32. 130
  33. 20
  34. 40
  35. 300
  36. 220
  37. 150
  38. 80
  39. 232
  40. 320

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