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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 852 · 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. 1.80% of a number is 8. What is the number?
  2. 2.186 is 75% of ?
  3. 3.9 is 20% of ?
  4. 4.38 is 20% of ?
  5. 5.25% of a number is 43. What is the number?
  6. 6.231 is 75% of ?
  7. 7.15% of a number is 18. What is the number?
  8. 8.Rohan spent ₹48, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.80% of a number is 208. What is the number?
  10. 10.29 is 25% of ?
  11. 11.8 is 5% of ?
  12. 12.Arjun spent ₹30, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.Kabir spent ₹10, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.Meera spent ₹45, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.Aarav spent ₹22, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.20% of a number is 30. What is the number?
  17. 17.Arjun spent ₹12, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.40% of a number is 50. What is the number?
  19. 19.78 is 30% of ?
  20. 20.45 is 15% of ?
  21. 21.50 is 25% of ?
  22. 22.14 is 10% of ?
  23. 23.15% of a number is 39. What is the number?
  24. 24.9 is 12% of ?
  25. 25.Rohan spent ₹9, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.Riya spent ₹76, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.Isha spent ₹21, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.62 is 25% of ?
  29. 29.25% of a number is 52. What is the number?
  30. 30.10% of a number is 16. What is the number?
  31. 31.Riya spent ₹57, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Isha spent ₹3, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.152 is 80% of ?
  34. 34.Kabir spent ₹162, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.Riya spent ₹20, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.30% of a number is 117. What is the number?
  37. 37.27 is 10% of ?
  38. 38.Isha spent ₹144, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.5% of a number is 14. What is the number?
  40. 40.Ishaan spent ₹56, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 10
  2. 248
  3. 45
  4. 190
  5. 172
  6. 308
  7. 120
  8. 320
  9. 260
  10. 116
  11. 160
  12. 100
  13. 50
  14. 225
  15. 220
  16. 150
  17. 20
  18. 125
  19. 260
  20. 300
  21. 200
  22. 140
  23. 260
  24. 75
  25. 75
  26. 190
  27. 70
  28. 248
  29. 208
  30. 160
  31. 95
  32. 25
  33. 190
  34. 270
  35. 400
  36. 390
  37. 270
  38. 360
  39. 280
  40. 112

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