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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 105 · 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. 1.75 is 25% of ?
  2. 2.9 is 15% of ?
  3. 3.20% of a number is 24. What is the number?
  4. 4.Dev spent ₹30, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.168 is 80% of ?
  6. 6.12% of a number is 21. What is the number?
  7. 7.40% of a number is 126. What is the number?
  8. 8.37 is 25% of ?
  9. 9.Kabir spent ₹12, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.30% of a number is 15. What is the number?
  11. 11.Riya spent ₹8, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.102 is 50% of ?
  13. 13.Aarav spent ₹114, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.116 is 80% of ?
  15. 15.27 is 75% of ?
  16. 16.40% of a number is 114. What is the number?
  17. 17.10% of a number is 9. What is the number?
  18. 18.60% of a number is 225. What is the number?
  19. 19.237 is 60% of ?
  20. 20.50% of a number is 41. What is the number?
  21. 21.40% of a number is 28. What is the number?
  22. 22.15% of a number is 48. What is the number?
  23. 23.80% of a number is 284. What is the number?
  24. 24.25% of a number is 59. What is the number?
  25. 25.6 is 15% of ?
  26. 26.5% of a number is 17. What is the number?
  27. 27.82 is 25% of ?
  28. 28.Meera spent ₹2, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.12% of a number is 24. What is the number?
  30. 30.62 is 40% of ?
  31. 31.Arjun spent ₹126, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.68 is 25% of ?
  33. 33.15% of a number is 24. What is the number?
  34. 34.19 is 5% of ?
  35. 35.90 is 30% of ?
  36. 36.36 is 15% of ?
  37. 37.32 is 20% of ?
  38. 38.1 is 5% of ?
  39. 39.60% of a number is 42. What is the number?
  40. 40.50% of a number is 106. What is the number?

Answer key

  1. 300
  2. 60
  3. 120
  4. 75
  5. 210
  6. 175
  7. 315
  8. 148
  9. 240
  10. 50
  11. 40
  12. 204
  13. 380
  14. 145
  15. 36
  16. 285
  17. 90
  18. 375
  19. 395
  20. 82
  21. 70
  22. 320
  23. 355
  24. 236
  25. 40
  26. 340
  27. 328
  28. 5
  29. 200
  30. 155
  31. 315
  32. 272
  33. 160
  34. 380
  35. 300
  36. 240
  37. 160
  38. 20
  39. 70
  40. 212

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage