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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 58 · 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. 1.36 is 40% of ?
  2. 2.244 is 80% of ?
  3. 3.19 is 5% of ?
  4. 4.25% of a number is 89. What is the number?
  5. 5.48 is 25% of ?
  6. 6.20% of a number is 6. What is the number?
  7. 7.Dev spent ₹150, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.138 is 60% of ?
  9. 9.174 is 75% of ?
  10. 10.9 is 30% of ?
  11. 11.Anaya spent ₹23, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.3 is 60% of ?
  13. 13.Kabir spent ₹76, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.Isha spent ₹6, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Rohan spent ₹4, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.273 is 75% of ?
  17. 17.Diya spent ₹57, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.10 is 25% of ?
  19. 19.30% of a number is 3. What is the number?
  20. 20.40% of a number is 48. What is the number?
  21. 21.Kabir spent ₹284, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.33 is 10% of ?
  23. 23.15% of a number is 24. What is the number?
  24. 24.10% of a number is 9. What is the number?
  25. 25.Dev spent ₹84, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.Aarav spent ₹7, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.75% of a number is 138. What is the number?
  28. 28.50% of a number is 100. What is the number?
  29. 29.5% of a number is 8. What is the number?
  30. 30.Riya spent ₹82, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.15 is 75% of ?
  32. 32.Aarav spent ₹194, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.12% of a number is 48. What is the number?
  34. 34.15 is 30% of ?
  35. 35.45 is 30% of ?
  36. 36.5% of a number is 4. What is the number?
  37. 37.30% of a number is 15. What is the number?
  38. 38.40% of a number is 152. What is the number?
  39. 39.10% of a number is 11. What is the number?
  40. 40.60% of a number is 15. What is the number?

Answer key

  1. 90
  2. 305
  3. 380
  4. 356
  5. 192
  6. 30
  7. 250
  8. 230
  9. 232
  10. 30
  11. 115
  12. 5
  13. 190
  14. 15
  15. 20
  16. 364
  17. 380
  18. 40
  19. 10
  20. 120
  21. 355
  22. 330
  23. 160
  24. 90
  25. 280
  26. 140
  27. 184
  28. 200
  29. 160
  30. 205
  31. 20
  32. 388
  33. 400
  34. 50
  35. 150
  36. 80
  37. 50
  38. 380
  39. 110
  40. 25

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