← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 321 · 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. 1.80% of a number is 60. What is the number?
  2. 2.142 is 40% of ?
  3. 3.24 is 10% of ?
  4. 4.150 is 60% of ?
  5. 5.7 is 10% of ?
  6. 6.23 is 20% of ?
  7. 7.2 is 5% of ?
  8. 8.75% of a number is 9. What is the number?
  9. 9.Aarav spent ₹123, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.25% of a number is 91. What is the number?
  11. 11.20% of a number is 40. What is the number?
  12. 12.Meera spent ₹36, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.Dev spent ₹14, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.Arjun spent ₹32, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.18 is 12% of ?
  16. 16.78 is 60% of ?
  17. 17.15% of a number is 12. What is the number?
  18. 18.89 is 25% of ?
  19. 19.Sara spent ₹18, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.Rohan spent ₹5, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.Kabir spent ₹40, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.15% of a number is 9. What is the number?
  23. 23.25% of a number is 90. What is the number?
  24. 24.50% of a number is 53. What is the number?
  25. 25.Rohan spent ₹28, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.Kabir spent ₹18, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.30% of a number is 33. What is the number?
  28. 28.Riya spent ₹13, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.13 is 25% of ?
  30. 30.188 is 80% of ?
  31. 31.12 is 15% of ?
  32. 32.5% of a number is 18. What is the number?
  33. 33.5% of a number is 2. What is the number?
  34. 34.117 is 30% of ?
  35. 35.30 is 12% of ?
  36. 36.102 is 40% of ?
  37. 37.Riya spent ₹3, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Kabir spent ₹14, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.Kabir spent ₹165, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  40. 40.75% of a number is 153. What is the number?

Answer key

  1. 75
  2. 355
  3. 240
  4. 250
  5. 70
  6. 115
  7. 40
  8. 12
  9. 205
  10. 364
  11. 200
  12. 45
  13. 280
  14. 128
  15. 150
  16. 130
  17. 80
  18. 356
  19. 36
  20. 100
  21. 200
  22. 60
  23. 360
  24. 106
  25. 140
  26. 45
  27. 110
  28. 130
  29. 52
  30. 235
  31. 80
  32. 360
  33. 40
  34. 390
  35. 250
  36. 255
  37. 60
  38. 140
  39. 330
  40. 204

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