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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 250 · 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. 1.19 is 5% of ?
  2. 2.10% of a number is 10. What is the number?
  3. 3.Rohan spent ₹198, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.21 is 15% of ?
  5. 5.320 is 80% of ?
  6. 6.Kabir spent ₹58, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.58 is 40% of ?
  8. 8.Dev spent ₹27, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.4 is 5% of ?
  10. 10.12% of a number is 12. What is the number?
  11. 11.12% of a number is 6. What is the number?
  12. 12.20% of a number is 79. What is the number?
  13. 13.Sara spent ₹19, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.Arjun spent ₹42, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.Rohan spent ₹10, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.10% of a number is 15. What is the number?
  17. 17.25% of a number is 60. What is the number?
  18. 18.188 is 80% of ?
  19. 19.72 is 30% of ?
  20. 20.12% of a number is 9. What is the number?
  21. 21.192 is 50% of ?
  22. 22.96 is 50% of ?
  23. 23.Sara spent ₹97, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.25% of a number is 58. What is the number?
  25. 25.20% of a number is 11. What is the number?
  26. 26.7 is 5% of ?
  27. 27.Kabir spent ₹167, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.42 is 12% of ?
  29. 29.5 is 5% of ?
  30. 30.20% of a number is 31. What is the number?
  31. 31.Riya spent ₹28, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Arjun spent ₹114, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  33. 33.75% of a number is 168. What is the number?
  34. 34.Rohan spent ₹198, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Isha spent ₹117, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.30% of a number is 48. What is the number?
  37. 37.34 is 10% of ?
  38. 38.10% of a number is 13. What is the number?
  39. 39.74 is 20% of ?
  40. 40.Aarav spent ₹30, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 380
  2. 100
  3. 264
  4. 140
  5. 400
  6. 290
  7. 145
  8. 225
  9. 80
  10. 100
  11. 50
  12. 395
  13. 380
  14. 350
  15. 200
  16. 150
  17. 240
  18. 235
  19. 240
  20. 75
  21. 384
  22. 192
  23. 388
  24. 232
  25. 55
  26. 140
  27. 334
  28. 350
  29. 100
  30. 155
  31. 280
  32. 380
  33. 224
  34. 396
  35. 156
  36. 160
  37. 340
  38. 130
  39. 370
  40. 200

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