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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 89 · 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. 1.60 is 60% of ?
  2. 2.75% of a number is 180. What is the number?
  3. 3.49 is 20% of ?
  4. 4.30 is 40% of ?
  5. 5.16 is 80% of ?
  6. 6.Riya spent ₹56, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.207 is 60% of ?
  8. 8.48 is 12% of ?
  9. 9.Isha spent ₹237, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.50% of a number is 70. What is the number?
  11. 11.20% of a number is 67. What is the number?
  12. 12.75 is 75% of ?
  13. 13.Ishaan spent ₹92, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.25% of a number is 97. What is the number?
  15. 15.67 is 25% of ?
  16. 16.5% of a number is 14. What is the number?
  17. 17.50% of a number is 56. What is the number?
  18. 18.252 is 75% of ?
  19. 19.60% of a number is 186. What is the number?
  20. 20.111 is 30% of ?
  21. 21.25% of a number is 25. What is the number?
  22. 22.10% of a number is 15. What is the number?
  23. 23.50% of a number is 30. What is the number?
  24. 24.48 is 40% of ?
  25. 25.Arjun spent ₹10, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.Diya spent ₹122, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  27. 27.5% of a number is 10. What is the number?
  28. 28.Meera spent ₹21, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.60% of a number is 102. What is the number?
  30. 30.Arjun spent ₹80, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.Riya spent ₹5, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.15 is 12% of ?
  33. 33.Kabir spent ₹21, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.Sara spent ₹120, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.12% of a number is 6. What is the number?
  36. 36.50% of a number is 86. What is the number?
  37. 37.38 is 20% of ?
  38. 38.Meera spent ₹15, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.11 is 10% of ?
  40. 40.Ishaan spent ₹42, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 100
  2. 240
  3. 245
  4. 75
  5. 20
  6. 280
  7. 345
  8. 400
  9. 395
  10. 140
  11. 335
  12. 100
  13. 115
  14. 388
  15. 268
  16. 280
  17. 112
  18. 336
  19. 310
  20. 370
  21. 100
  22. 150
  23. 60
  24. 120
  25. 200
  26. 244
  27. 200
  28. 210
  29. 170
  30. 200
  31. 50
  32. 125
  33. 210
  34. 400
  35. 50
  36. 172
  37. 190
  38. 125
  39. 110
  40. 280

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