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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 676 · 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 154. What is the number?
  2. 2.28 is 10% of ?
  3. 3.75% of a number is 54. What is the number?
  4. 4.20% of a number is 13. What is the number?
  5. 5.20% of a number is 23. What is the number?
  6. 6.26 is 50% of ?
  7. 7.30% of a number is 57. What is the number?
  8. 8.10% of a number is 8. What is the number?
  9. 9.36 is 75% of ?
  10. 10.Isha spent ₹26, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  11. 11.Ishaan spent ₹9, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.Diya spent ₹36, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.14 is 20% of ?
  14. 14.Arjun spent ₹64, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.45 is 75% of ?
  16. 16.40 is 80% of ?
  17. 17.5% of a number is 10. What is the number?
  18. 18.15% of a number is 51. What is the number?
  19. 19.15% of a number is 60. What is the number?
  20. 20.23 is 10% of ?
  21. 21.20% of a number is 63. What is the number?
  22. 22.40% of a number is 34. What is the number?
  23. 23.73 is 50% of ?
  24. 24.Meera spent ₹30, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.20% of a number is 25. What is the number?
  26. 26.Arjun spent ₹18, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.75 is 60% of ?
  28. 28.Meera spent ₹94, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.42 is 15% of ?
  30. 30.Riya spent ₹50, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.12% of a number is 27. What is the number?
  32. 32.32 is 25% of ?
  33. 33.15% of a number is 15. What is the number?
  34. 34.Arjun spent ₹38, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.5% of a number is 11. What is the number?
  36. 36.50% of a number is 39. What is the number?
  37. 37.60% of a number is 12. What is the number?
  38. 38.Rohan spent ₹48, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.146 is 40% of ?
  40. 40.Anaya spent ₹84, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 308
  2. 280
  3. 72
  4. 65
  5. 115
  6. 52
  7. 190
  8. 80
  9. 48
  10. 104
  11. 75
  12. 240
  13. 70
  14. 160
  15. 60
  16. 50
  17. 200
  18. 340
  19. 400
  20. 230
  21. 315
  22. 85
  23. 146
  24. 40
  25. 125
  26. 120
  27. 125
  28. 376
  29. 280
  30. 200
  31. 225
  32. 128
  33. 100
  34. 380
  35. 220
  36. 78
  37. 20
  38. 320
  39. 365
  40. 210

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