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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 338 · 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. 1.40% of a number is 124. What is the number?
  2. 2.15 is 10% of ?
  3. 3.50% of a number is 130. What is the number?
  4. 4.15% of a number is 27. What is the number?
  5. 5.21 is 25% of ?
  6. 6.1 is 50% of ?
  7. 7.Riya spent ₹12, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.Isha spent ₹73, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.10% of a number is 7. What is the number?
  10. 10.75% of a number is 60. What is the number?
  11. 11.108 is 30% of ?
  12. 12.15% of a number is 6. What is the number?
  13. 13.15% of a number is 18. What is the number?
  14. 14.75% of a number is 117. What is the number?
  15. 15.Aarav spent ₹186, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.Meera spent ₹27, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.Meera spent ₹15, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.5% of a number is 4. What is the number?
  19. 19.27 is 12% of ?
  20. 20.57 is 30% of ?
  21. 21.Kabir spent ₹129, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.25% of a number is 6. What is the number?
  23. 23.75% of a number is 84. What is the number?
  24. 24.Meera spent ₹46, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.Isha spent ₹194, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.Diya spent ₹40, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  27. 27.13 is 20% of ?
  28. 28.44 is 50% of ?
  29. 29.80% of a number is 248. What is the number?
  30. 30.Riya spent ₹186, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.35 is 25% of ?
  32. 32.12% of a number is 36. What is the number?
  33. 33.Riya spent ₹14, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.30% of a number is 27. What is the number?
  35. 35.Arjun spent ₹18, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.Arjun spent ₹57, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.5% of a number is 12. What is the number?
  38. 38.68 is 80% of ?
  39. 39.25% of a number is 20. What is the number?
  40. 40.20% of a number is 26. What is the number?

Answer key

  1. 310
  2. 150
  3. 260
  4. 180
  5. 84
  6. 2
  7. 240
  8. 365
  9. 70
  10. 80
  11. 360
  12. 40
  13. 120
  14. 156
  15. 372
  16. 135
  17. 125
  18. 80
  19. 225
  20. 190
  21. 172
  22. 24
  23. 112
  24. 92
  25. 388
  26. 400
  27. 65
  28. 88
  29. 310
  30. 310
  31. 140
  32. 300
  33. 280
  34. 90
  35. 360
  36. 114
  37. 240
  38. 85
  39. 80
  40. 130

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