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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 57 · 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.Isha spent ₹30, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.Kabir spent ₹3, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Kabir spent ₹9, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  4. 4.30% of a number is 18. What is the number?
  5. 5.25% of a number is 63. What is the number?
  6. 6.81 is 30% of ?
  7. 7.22 is 25% of ?
  8. 8.80% of a number is 232. What is the number?
  9. 9.10% of a number is 33. What is the number?
  10. 10.15% of a number is 33. What is the number?
  11. 11.30 is 20% of ?
  12. 12.15% of a number is 6. What is the number?
  13. 13.40% of a number is 140. What is the number?
  14. 14.Dev spent ₹75, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.Meera spent ₹4, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.30% of a number is 3. What is the number?
  17. 17.41 is 20% of ?
  18. 18.30% of a number is 90. What is the number?
  19. 19.64 is 20% of ?
  20. 20.Kabir spent ₹174, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.108 is 75% of ?
  22. 22.228 is 80% of ?
  23. 23.40% of a number is 4. What is the number?
  24. 24.80% of a number is 268. What is the number?
  25. 25.Riya spent ₹36, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.6 is 10% of ?
  27. 27.40% of a number is 86. What is the number?
  28. 28.Aarav spent ₹48, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.4 is 5% of ?
  30. 30.Meera spent ₹6, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.17 is 50% of ?
  32. 32.42 is 15% of ?
  33. 33.Arjun spent ₹16, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.12% of a number is 3. What is the number?
  35. 35.10% of a number is 12. What is the number?
  36. 36.1 is 50% of ?
  37. 37.Arjun spent ₹84, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.15% of a number is 42. What is the number?
  39. 39.Anaya spent ₹5, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.Isha spent ₹22, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 300
  2. 30
  3. 180
  4. 60
  5. 252
  6. 270
  7. 88
  8. 290
  9. 330
  10. 220
  11. 150
  12. 40
  13. 350
  14. 100
  15. 8
  16. 10
  17. 205
  18. 300
  19. 320
  20. 290
  21. 144
  22. 285
  23. 10
  24. 335
  25. 360
  26. 60
  27. 215
  28. 160
  29. 80
  30. 50
  31. 34
  32. 280
  33. 320
  34. 25
  35. 120
  36. 2
  37. 112
  38. 280
  39. 50
  40. 220

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