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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 485 · 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. 1.60% of a number is 84. What is the number?
  2. 2.20% of a number is 11. What is the number?
  3. 3.40% of a number is 38. What is the number?
  4. 4.10% of a number is 9. What is the number?
  5. 5.Isha spent ₹200, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.75% of a number is 285. What is the number?
  7. 7.60% of a number is 123. What is the number?
  8. 8.15% of a number is 9. What is the number?
  9. 9.33 is 25% of ?
  10. 10.15% of a number is 30. What is the number?
  11. 11.29 is 10% of ?
  12. 12.15% of a number is 18. What is the number?
  13. 13.Riya spent ₹117, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.49 is 50% of ?
  15. 15.Isha spent ₹1, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.Riya spent ₹30, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.10% of a number is 4. What is the number?
  18. 18.11 is 50% of ?
  19. 19.5% of a number is 9. What is the number?
  20. 20.40% of a number is 124. What is the number?
  21. 21.30% of a number is 69. What is the number?
  22. 22.51 is 50% of ?
  23. 23.Aarav spent ₹198, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.20% of a number is 63. What is the number?
  25. 25.Meera spent ₹9, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.5% of a number is 8. What is the number?
  27. 27.42 is 60% of ?
  28. 28.6 is 15% of ?
  29. 29.Dev spent ₹97, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.20% of a number is 4. What is the number?
  31. 31.10% of a number is 24. What is the number?
  32. 32.50% of a number is 145. What is the number?
  33. 33.5% of a number is 4. What is the number?
  34. 34.292 is 80% of ?
  35. 35.7 is 5% of ?
  36. 36.2 is 25% of ?
  37. 37.50% of a number is 56. What is the number?
  38. 38.57 is 15% of ?
  39. 39.25% of a number is 20. What is the number?
  40. 40.Meera spent ₹76, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 140
  2. 55
  3. 95
  4. 90
  5. 250
  6. 380
  7. 205
  8. 60
  9. 132
  10. 200
  11. 290
  12. 120
  13. 156
  14. 98
  15. 2
  16. 60
  17. 40
  18. 22
  19. 180
  20. 310
  21. 230
  22. 102
  23. 264
  24. 315
  25. 15
  26. 160
  27. 70
  28. 40
  29. 388
  30. 20
  31. 240
  32. 290
  33. 80
  34. 365
  35. 140
  36. 8
  37. 112
  38. 380
  39. 80
  40. 380

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