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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 307 · 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. 1.18 is 12% of ?
  2. 2.33 is 10% of ?
  3. 3.Diya spent ₹123, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.30 is 12% of ?
  5. 5.Rohan spent ₹98, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.25% of a number is 90. What is the number?
  7. 7.20% of a number is 46. What is the number?
  8. 8.183 is 75% of ?
  9. 9.Diya spent ₹34, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.25% of a number is 77. What is the number?
  11. 11.Sara spent ₹10, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.6 is 12% of ?
  13. 13.72 is 30% of ?
  14. 14.36 is 80% of ?
  15. 15.90 is 60% of ?
  16. 16.75% of a number is 252. What is the number?
  17. 17.Diya spent ₹18, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.12% of a number is 6. What is the number?
  19. 19.60% of a number is 162. What is the number?
  20. 20.48 is 80% of ?
  21. 21.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.24 is 10% of ?
  23. 23.Ishaan spent ₹22, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.57 is 20% of ?
  25. 25.40% of a number is 2. What is the number?
  26. 26.Isha spent ₹27, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.80% of a number is 56. What is the number?
  28. 28.15 is 15% of ?
  29. 29.Isha spent ₹42, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.12% of a number is 27. What is the number?
  31. 31.Riya spent ₹30, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Ishaan spent ₹114, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.Arjun spent ₹12, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.Rohan spent ₹72, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.80% of a number is 216. What is the number?
  36. 36.10% of a number is 40. What is the number?
  37. 37.Arjun spent ₹3, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.10% of a number is 35. What is the number?
  39. 39.Diya spent ₹240, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  40. 40.Dev spent ₹104, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 150
  2. 330
  3. 205
  4. 250
  5. 392
  6. 360
  7. 230
  8. 244
  9. 68
  10. 308
  11. 200
  12. 50
  13. 240
  14. 45
  15. 150
  16. 336
  17. 90
  18. 50
  19. 270
  20. 60
  21. 310
  22. 240
  23. 220
  24. 285
  25. 5
  26. 270
  27. 70
  28. 100
  29. 168
  30. 225
  31. 75
  32. 380
  33. 80
  34. 240
  35. 270
  36. 400
  37. 30
  38. 350
  39. 400
  40. 260

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