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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 384 · 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. 1.42 is 30% of ?
  2. 2.Dev spent ₹55, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.Aarav spent ₹13, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.40% of a number is 122. What is the number?
  5. 5.78 is 20% of ?
  6. 6.63 is 60% of ?
  7. 7.Isha spent ₹63, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.24 is 12% of ?
  9. 9.60% of a number is 207. What is the number?
  10. 10.120 is 30% of ?
  11. 11.8 is 5% of ?
  12. 12.15% of a number is 6. What is the number?
  13. 13.Riya spent ₹2, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.Riya spent ₹42, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.21 is 60% of ?
  16. 16.80% of a number is 284. What is the number?
  17. 17.50% of a number is 18. What is the number?
  18. 18.25 is 25% of ?
  19. 19.Arjun spent ₹123, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.50% of a number is 9. What is the number?
  21. 21.25% of a number is 86. What is the number?
  22. 22.Ishaan spent ₹93, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Meera spent ₹117, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.29 is 10% of ?
  25. 25.Isha spent ₹23, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.75% of a number is 21. What is the number?
  27. 27.30% of a number is 21. What is the number?
  28. 28.12% of a number is 9. What is the number?
  29. 29.222 is 75% of ?
  30. 30.50% of a number is 158. What is the number?
  31. 31.Diya spent ₹141, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.10% of a number is 32. What is the number?
  33. 33.87 is 75% of ?
  34. 34.Rohan spent ₹12, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Riya spent ₹55, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.60% of a number is 33. What is the number?
  37. 37.12% of a number is 12. What is the number?
  38. 38.147 is 75% of ?
  39. 39.Meera spent ₹10, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.76 is 20% of ?

Answer key

  1. 140
  2. 220
  3. 65
  4. 305
  5. 390
  6. 105
  7. 315
  8. 200
  9. 345
  10. 400
  11. 160
  12. 40
  13. 20
  14. 280
  15. 35
  16. 355
  17. 36
  18. 100
  19. 164
  20. 18
  21. 344
  22. 124
  23. 390
  24. 290
  25. 115
  26. 28
  27. 70
  28. 75
  29. 296
  30. 316
  31. 235
  32. 320
  33. 116
  34. 240
  35. 275
  36. 55
  37. 100
  38. 196
  39. 20
  40. 380

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