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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 73 · 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. 1.18 is 12% of ?
  2. 2.Dev spent ₹9, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.30% of a number is 84. What is the number?
  4. 4.4 is 5% of ?
  5. 5.Diya spent ₹64, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.10% of a number is 31. What is the number?
  7. 7.Sara spent ₹36, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.Riya spent ₹6, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.12% of a number is 27. What is the number?
  10. 10.Rohan spent ₹57, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.5% of a number is 11. What is the number?
  12. 12.Sara spent ₹78, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.15% of a number is 33. What is the number?
  14. 14.10% of a number is 28. What is the number?
  15. 15.81 is 30% of ?
  16. 16.170 is 50% of ?
  17. 17.50% of a number is 106. What is the number?
  18. 18.73 is 25% of ?
  19. 19.20% of a number is 17. What is the number?
  20. 20.20% of a number is 4. What is the number?
  21. 21.40% of a number is 26. What is the number?
  22. 22.78 is 20% of ?
  23. 23.20 is 40% of ?
  24. 24.Rohan spent ₹3, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.Kabir spent ₹45, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.11 is 10% of ?
  27. 27.27 is 12% of ?
  28. 28.7 is 5% of ?
  29. 29.8 is 10% of ?
  30. 30.45 is 15% of ?
  31. 31.Diya spent ₹68, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.Meera spent ₹3, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.144 is 80% of ?
  34. 34.Kabir spent ₹231, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.7 is 20% of ?
  36. 36.39 is 30% of ?
  37. 37.123 is 60% of ?
  38. 38.Diya spent ₹15, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.Dev spent ₹12, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.60% of a number is 222. What is the number?

Answer key

  1. 150
  2. 15
  3. 280
  4. 80
  5. 160
  6. 310
  7. 300
  8. 60
  9. 225
  10. 228
  11. 220
  12. 104
  13. 220
  14. 280
  15. 270
  16. 340
  17. 212
  18. 292
  19. 85
  20. 20
  21. 65
  22. 390
  23. 50
  24. 20
  25. 300
  26. 110
  27. 225
  28. 140
  29. 80
  30. 300
  31. 272
  32. 60
  33. 180
  34. 308
  35. 35
  36. 130
  37. 205
  38. 125
  39. 40
  40. 370

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