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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 932 · 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.

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  1. 1.50% of a number is 12. What is the number?
  2. 2.60 is 60% of ?
  3. 3.Arjun spent ₹45, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.3 is 12% of ?
  5. 5.Aarav spent ₹36, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.25% of a number is 25. What is the number?
  7. 7.25% of a number is 68. What is the number?
  8. 8.Rohan spent ₹42, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.Meera spent ₹1, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.Kabir spent ₹66, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.108 is 60% of ?
  12. 12.12% of a number is 18. What is the number?
  13. 13.Aarav spent ₹10, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.15% of a number is 36. What is the number?
  15. 15.24 is 40% of ?
  16. 16.40% of a number is 8. What is the number?
  17. 17.124 is 40% of ?
  18. 18.76 is 25% of ?
  19. 19.25% of a number is 24. What is the number?
  20. 20.12% of a number is 9. What is the number?
  21. 21.Dev spent ₹136, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.18 is 10% of ?
  23. 23.Isha spent ₹132, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.Riya spent ₹57, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.Ishaan spent ₹21, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.12% of a number is 3. What is the number?
  27. 27.5% of a number is 6. What is the number?
  28. 28.Ishaan spent ₹51, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.Sara spent ₹21, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.Rohan spent ₹24, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.Kabir spent ₹39, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.Dev spent ₹23, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.20% of a number is 23. What is the number?
  34. 34.5% of a number is 5. What is the number?
  35. 35.Rohan spent ₹12, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Anaya spent ₹80, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.12% of a number is 45. What is the number?
  38. 38.Anaya spent ₹8, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.12% of a number is 15. What is the number?
  40. 40.Riya spent ₹30, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 24
  2. 100
  3. 225
  4. 25
  5. 360
  6. 100
  7. 272
  8. 350
  9. 4
  10. 330
  11. 180
  12. 150
  13. 50
  14. 240
  15. 60
  16. 20
  17. 310
  18. 304
  19. 96
  20. 75
  21. 170
  22. 180
  23. 165
  24. 190
  25. 140
  26. 25
  27. 120
  28. 102
  29. 140
  30. 80
  31. 390
  32. 230
  33. 115
  34. 100
  35. 20
  36. 200
  37. 375
  38. 80
  39. 125
  40. 100

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