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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 565 · 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.Arjun spent ₹39, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.60% of a number is 57. What is the number?
  3. 3.15% of a number is 60. What is the number?
  4. 4.Aarav spent ₹26, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.23 is 20% of ?
  6. 6.32 is 10% of ?
  7. 7.Sara spent ₹105, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.15 is 75% of ?
  9. 9.24 is 12% of ?
  10. 10.Aarav spent ₹42, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.5% of a number is 9. What is the number?
  12. 12.70 is 20% of ?
  13. 13.12% of a number is 18. What is the number?
  14. 14.10 is 5% of ?
  15. 15.Isha spent ₹8, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.Sara spent ₹27, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.Anaya spent ₹21, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.75% of a number is 216. What is the number?
  19. 19.Ishaan spent ₹234, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.50% of a number is 103. What is the number?
  21. 21.Rohan spent ₹38, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.252 is 80% of ?
  23. 23.50% of a number is 145. What is the number?
  24. 24.222 is 75% of ?
  25. 25.40% of a number is 18. What is the number?
  26. 26.25% of a number is 78. What is the number?
  27. 27.Ishaan spent ₹29, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.3 is 10% of ?
  29. 29.18 is 15% of ?
  30. 30.Dev spent ₹23, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.20 is 10% of ?
  32. 32.Arjun spent ₹14, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  33. 33.60% of a number is 138. What is the number?
  34. 34.Diya spent ₹100, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.8 is 20% of ?
  36. 36.Anaya spent ₹12, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.Meera spent ₹72, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.50% of a number is 1. What is the number?
  39. 39.75% of a number is 51. What is the number?
  40. 40.25% of a number is 25. What is the number?

Answer key

  1. 260
  2. 95
  3. 400
  4. 260
  5. 115
  6. 320
  7. 350
  8. 20
  9. 200
  10. 350
  11. 180
  12. 350
  13. 150
  14. 200
  15. 40
  16. 225
  17. 140
  18. 288
  19. 312
  20. 206
  21. 380
  22. 315
  23. 290
  24. 296
  25. 45
  26. 312
  27. 145
  28. 30
  29. 120
  30. 230
  31. 200
  32. 70
  33. 230
  34. 400
  35. 40
  36. 240
  37. 96
  38. 2
  39. 68
  40. 100

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