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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 318 · 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. 1.50% of a number is 137. What is the number?
  2. 2.30 is 15% of ?
  3. 3.40% of a number is 70. What is the number?
  4. 4.15% of a number is 3. What is the number?
  5. 5.80% of a number is 228. What is the number?
  6. 6.99 is 60% of ?
  7. 7.25% of a number is 63. What is the number?
  8. 8.12% of a number is 3. What is the number?
  9. 9.12 is 10% of ?
  10. 10.60 is 60% of ?
  11. 11.24 is 25% of ?
  12. 12.Aarav spent ₹20, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.15% of a number is 45. What is the number?
  14. 14.40% of a number is 54. What is the number?
  15. 15.20% of a number is 58. What is the number?
  16. 16.Diya spent ₹4, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.25% of a number is 68. What is the number?
  18. 18.25% of a number is 55. What is the number?
  19. 19.15% of a number is 9. What is the number?
  20. 20.30% of a number is 54. What is the number?
  21. 21.5% of a number is 18. What is the number?
  22. 22.Dev spent ₹91, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.15% of a number is 12. What is the number?
  24. 24.15 is 10% of ?
  25. 25.50% of a number is 30. What is the number?
  26. 26.18 is 30% of ?
  27. 27.Ishaan spent ₹18, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.80% of a number is 244. What is the number?
  29. 29.Meera spent ₹10, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.Diya spent ₹268, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.Dev spent ₹52, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.Aarav spent ₹2, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.Ishaan spent ₹7, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.48 is 12% of ?
  36. 36.20% of a number is 20. What is the number?
  37. 37.20% of a number is 27. What is the number?
  38. 38.10% of a number is 20. What is the number?
  39. 39.40% of a number is 128. What is the number?
  40. 40.4 is 5% of ?

Answer key

  1. 274
  2. 200
  3. 175
  4. 20
  5. 285
  6. 165
  7. 252
  8. 25
  9. 120
  10. 100
  11. 96
  12. 200
  13. 300
  14. 135
  15. 290
  16. 20
  17. 272
  18. 220
  19. 60
  20. 180
  21. 360
  22. 182
  23. 80
  24. 150
  25. 60
  26. 60
  27. 120
  28. 305
  29. 200
  30. 335
  31. 104
  32. 10
  33. 100
  34. 140
  35. 400
  36. 100
  37. 135
  38. 200
  39. 320
  40. 80

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