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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 771 · 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.Riya spent ₹33, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.33 is 30% of ?
  3. 3.5% of a number is 7. What is the number?
  4. 4.60% of a number is 216. What is the number?
  5. 5.5% of a number is 16. What is the number?
  6. 6.24 is 15% of ?
  7. 7.2 is 10% of ?
  8. 8.9 is 12% of ?
  9. 9.Anaya spent ₹15, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.12% of a number is 27. What is the number?
  11. 11.Sara spent ₹7, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.Rohan spent ₹9, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.50% of a number is 15. What is the number?
  14. 14.5% of a number is 11. What is the number?
  15. 15.40% of a number is 34. What is the number?
  16. 16.Rohan spent ₹175, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.25% of a number is 52. What is the number?
  18. 18.70 is 25% of ?
  19. 19.33 is 12% of ?
  20. 20.15% of a number is 3. What is the number?
  21. 21.Riya spent ₹52, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.80% of a number is 160. What is the number?
  23. 23.Riya spent ₹1, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.20% of a number is 13. What is the number?
  25. 25.12% of a number is 42. What is the number?
  26. 26.Arjun spent ₹33, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.Aarav spent ₹24, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.Arjun spent ₹19, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.38 is 40% of ?
  30. 30.Rohan spent ₹15, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.50% of a number is 38. What is the number?
  32. 32.75% of a number is 162. What is the number?
  33. 33.Riya spent ₹183, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.3 is 10% of ?
  35. 35.96 is 25% of ?
  36. 36.80% of a number is 76. What is the number?
  37. 37.Isha spent ₹57, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.5% of a number is 14. What is the number?
  39. 39.75% of a number is 66. What is the number?
  40. 40.17 is 5% of ?

Answer key

  1. 220
  2. 110
  3. 140
  4. 360
  5. 320
  6. 160
  7. 20
  8. 75
  9. 50
  10. 225
  11. 35
  12. 90
  13. 30
  14. 220
  15. 85
  16. 350
  17. 208
  18. 280
  19. 275
  20. 20
  21. 104
  22. 200
  23. 20
  24. 65
  25. 350
  26. 110
  27. 240
  28. 190
  29. 95
  30. 100
  31. 76
  32. 216
  33. 305
  34. 30
  35. 384
  36. 95
  37. 190
  38. 280
  39. 88
  40. 340

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