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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 372 · 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. 1.50% of a number is 3. What is the number?
  2. 2.12% of a number is 9. What is the number?
  3. 3.15% of a number is 51. What is the number?
  4. 4.25% of a number is 85. What is the number?
  5. 5.Rohan spent ₹18, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.75% of a number is 39. What is the number?
  7. 7.300 is 80% of ?
  8. 8.20% of a number is 62. What is the number?
  9. 9.Riya spent ₹10, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.32 is 50% of ?
  11. 11.10% of a number is 13. What is the number?
  12. 12.Isha spent ₹27, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.Meera spent ₹86, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Diya spent ₹21, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.Meera spent ₹207, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.3 is 12% of ?
  17. 17.15 is 12% of ?
  18. 18.Aarav spent ₹114, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.Riya spent ₹25, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.Dev spent ₹4, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.3 is 10% of ?
  22. 22.18 is 15% of ?
  23. 23.80% of a number is 288. What is the number?
  24. 24.57 is 15% of ?
  25. 25.213 is 60% of ?
  26. 26.Rohan spent ₹195, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  27. 27.20% of a number is 30. What is the number?
  28. 28.32 is 40% of ?
  29. 29.Kabir spent ₹11, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.20% of a number is 49. What is the number?
  31. 31.Riya spent ₹56, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.25% of a number is 72. What is the number?
  33. 33.80% of a number is 92. What is the number?
  34. 34.Riya spent ₹181, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.50% of a number is 78. What is the number?
  36. 36.20% of a number is 79. What is the number?
  37. 37.20% of a number is 13. What is the number?
  38. 38.66 is 50% of ?
  39. 39.30% of a number is 84. What is the number?
  40. 40.30% of a number is 96. What is the number?

Answer key

  1. 6
  2. 75
  3. 340
  4. 340
  5. 120
  6. 52
  7. 375
  8. 310
  9. 50
  10. 64
  11. 130
  12. 180
  13. 344
  14. 70
  15. 345
  16. 25
  17. 125
  18. 285
  19. 250
  20. 80
  21. 30
  22. 120
  23. 360
  24. 380
  25. 355
  26. 260
  27. 150
  28. 80
  29. 220
  30. 245
  31. 224
  32. 288
  33. 115
  34. 362
  35. 156
  36. 395
  37. 65
  38. 132
  39. 280
  40. 320

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage