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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 37 · 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. 1.25% of a number is 33. What is the number?
  2. 2.10% of a number is 26. What is the number?
  3. 3.8 is 5% of ?
  4. 4.60% of a number is 63. What is the number?
  5. 5.5% of a number is 18. What is the number?
  6. 6.40% of a number is 42. What is the number?
  7. 7.Ishaan spent ₹208, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.Rohan spent ₹16, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.292 is 80% of ?
  10. 10.Rohan spent ₹60, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.75% of a number is 15. What is the number?
  12. 12.25 is 10% of ?
  13. 13.25% of a number is 81. What is the number?
  14. 14.Kabir spent ₹3, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.Sara spent ₹64, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.Isha spent ₹71, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  17. 17.Riya spent ₹204, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.30% of a number is 66. What is the number?
  19. 19.60 is 30% of ?
  20. 20.294 is 75% of ?
  21. 21.114 is 40% of ?
  22. 22.15% of a number is 45. What is the number?
  23. 23.80% of a number is 284. What is the number?
  24. 24.20% of a number is 24. What is the number?
  25. 25.Kabir spent ₹37, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.80 is 20% of ?
  27. 27.10% of a number is 2. What is the number?
  28. 28.18 is 5% of ?
  29. 29.Rohan spent ₹48, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.30% of a number is 30. What is the number?
  31. 31.25% of a number is 15. What is the number?
  32. 32.134 is 40% of ?
  33. 33.Kabir spent ₹120, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.70 is 25% of ?
  35. 35.30% of a number is 69. What is the number?
  36. 36.10% of a number is 21. What is the number?
  37. 37.10% of a number is 33. What is the number?
  38. 38.Ishaan spent ₹15, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.25% of a number is 32. What is the number?
  40. 40.Dev spent ₹69, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 132
  2. 260
  3. 160
  4. 105
  5. 360
  6. 105
  7. 260
  8. 80
  9. 365
  10. 200
  11. 20
  12. 250
  13. 324
  14. 60
  15. 160
  16. 355
  17. 340
  18. 220
  19. 200
  20. 392
  21. 285
  22. 300
  23. 355
  24. 120
  25. 370
  26. 400
  27. 20
  28. 360
  29. 320
  30. 100
  31. 60
  32. 335
  33. 240
  34. 280
  35. 230
  36. 210
  37. 330
  38. 30
  39. 128
  40. 345

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