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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 451 · 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. 1.2 is 50% of ?
  2. 2.144 is 40% of ?
  3. 3.80% of a number is 240. What is the number?
  4. 4.Dev spent ₹5, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.54 is 15% of ?
  6. 6.15 is 15% of ?
  7. 7.Aarav spent ₹2, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.Diya spent ₹150, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.60% of a number is 87. What is the number?
  10. 10.Rohan spent ₹6, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.Dev spent ₹39, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.15% of a number is 48. What is the number?
  13. 13.40% of a number is 74. What is the number?
  14. 14.Riya spent ₹180, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.25% of a number is 54. What is the number?
  16. 16.Ishaan spent ₹174, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  17. 17.20% of a number is 12. What is the number?
  18. 18.40% of a number is 98. What is the number?
  19. 19.20% of a number is 34. What is the number?
  20. 20.15% of a number is 27. What is the number?
  21. 21.54 is 75% of ?
  22. 22.114 is 40% of ?
  23. 23.15% of a number is 6. What is the number?
  24. 24.20% of a number is 70. What is the number?
  25. 25.12 is 10% of ?
  26. 26.30% of a number is 96. What is the number?
  27. 27.60% of a number is 72. What is the number?
  28. 28.10% of a number is 17. What is the number?
  29. 29.Kabir spent ₹39, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.66 is 75% of ?
  31. 31.10% of a number is 32. What is the number?
  32. 32.30% of a number is 6. What is the number?
  33. 33.Anaya spent ₹36, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.Isha spent ₹34, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.30% of a number is 24. What is the number?
  36. 36.Dev spent ₹24, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.45 is 60% of ?
  38. 38.Meera spent ₹33, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.15% of a number is 24. What is the number?
  40. 40.Dev spent ₹54, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 4
  2. 360
  3. 300
  4. 100
  5. 360
  6. 100
  7. 40
  8. 200
  9. 145
  10. 40
  11. 78
  12. 320
  13. 185
  14. 300
  15. 216
  16. 232
  17. 60
  18. 245
  19. 170
  20. 180
  21. 72
  22. 285
  23. 40
  24. 350
  25. 120
  26. 320
  27. 120
  28. 170
  29. 390
  30. 88
  31. 320
  32. 20
  33. 240
  34. 170
  35. 80
  36. 200
  37. 75
  38. 330
  39. 160
  40. 135

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