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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 231 · 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. 1.40 is 10% of ?
  2. 2.24 is 15% of ?
  3. 3.39 is 10% of ?
  4. 4.40% of a number is 62. What is the number?
  5. 5.Rohan spent ₹68, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.Ishaan spent ₹86, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.279 is 75% of ?
  8. 8.Kabir spent ₹33, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.80% of a number is 172. What is the number?
  10. 10.Meera spent ₹19, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.33 is 60% of ?
  12. 12.36 is 15% of ?
  13. 13.3 is 15% of ?
  14. 14.18 is 40% of ?
  15. 15.Meera spent ₹126, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.Dev spent ₹10, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.50% of a number is 91. What is the number?
  18. 18.52 is 80% of ?
  19. 19.Ishaan spent ₹63, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Aarav spent ₹148, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.75% of a number is 51. What is the number?
  22. 22.75% of a number is 252. What is the number?
  23. 23.20% of a number is 79. What is the number?
  24. 24.80% of a number is 36. What is the number?
  25. 25.3 is 12% of ?
  26. 26.172 is 80% of ?
  27. 27.90 is 25% of ?
  28. 28.Riya spent ₹180, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.80% of a number is 20. What is the number?
  30. 30.Arjun spent ₹70, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.4 is 80% of ?
  32. 32.Dev spent ₹48, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.36 is 30% of ?
  34. 34.Riya spent ₹50, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.40% of a number is 50. What is the number?
  36. 36.Meera spent ₹66, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.Kabir spent ₹60, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.Sara spent ₹77, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.11 is 10% of ?
  40. 40.Arjun spent ₹85, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 400
  2. 160
  3. 390
  4. 155
  5. 340
  6. 344
  7. 372
  8. 165
  9. 215
  10. 380
  11. 55
  12. 240
  13. 20
  14. 45
  15. 252
  16. 100
  17. 182
  18. 65
  19. 210
  20. 185
  21. 68
  22. 336
  23. 395
  24. 45
  25. 25
  26. 215
  27. 360
  28. 300
  29. 25
  30. 350
  31. 5
  32. 400
  33. 120
  34. 250
  35. 125
  36. 330
  37. 400
  38. 385
  39. 110
  40. 340

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