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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 45 · 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. 1.12% of a number is 48. What is the number?
  2. 2.Aarav spent ₹21, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.232 is 80% of ?
  4. 4.Isha spent ₹24, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.Arjun spent ₹69, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.60% of a number is 18. What is the number?
  7. 7.108 is 75% of ?
  8. 8.3 is 12% of ?
  9. 9.255 is 75% of ?
  10. 10.Aarav spent ₹22, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.Aarav spent ₹23, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.Ishaan spent ₹75, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.12 is 12% of ?
  14. 14.12% of a number is 42. What is the number?
  15. 15.Aarav spent ₹3, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.Diya spent ₹125, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.Meera spent ₹60, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Aarav spent ₹48, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.20 is 10% of ?
  20. 20.75% of a number is 204. What is the number?
  21. 21.Kabir spent ₹33, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.162 is 60% of ?
  23. 23.25% of a number is 95. What is the number?
  24. 24.114 is 30% of ?
  25. 25.5% of a number is 3. What is the number?
  26. 26.Riya spent ₹237, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.32 is 10% of ?
  28. 28.20% of a number is 15. What is the number?
  29. 29.48 is 15% of ?
  30. 30.20% of a number is 35. What is the number?
  31. 31.Dev spent ₹60, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.8 is 25% of ?
  33. 33.12% of a number is 39. What is the number?
  34. 34.Isha spent ₹93, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.50% of a number is 177. What is the number?
  36. 36.25% of a number is 19. What is the number?
  37. 37.Kabir spent ₹24, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.Ishaan spent ₹119, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.17 is 10% of ?
  40. 40.Rohan spent ₹42, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 400
  2. 210
  3. 290
  4. 160
  5. 138
  6. 30
  7. 144
  8. 25
  9. 340
  10. 88
  11. 46
  12. 250
  13. 100
  14. 350
  15. 20
  16. 250
  17. 120
  18. 80
  19. 200
  20. 272
  21. 275
  22. 270
  23. 380
  24. 380
  25. 60
  26. 316
  27. 320
  28. 75
  29. 320
  30. 175
  31. 100
  32. 32
  33. 325
  34. 372
  35. 354
  36. 76
  37. 200
  38. 238
  39. 170
  40. 140

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