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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 503 · 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. 1.15% of a number is 60. What is the number?
  2. 2.8 is 10% of ?
  3. 3.20% of a number is 48. What is the number?
  4. 4.27 is 30% of ?
  5. 5.40% of a number is 70. What is the number?
  6. 6.75% of a number is 159. What is the number?
  7. 7.Rohan spent ₹21, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.21 is 12% of ?
  9. 9.Sara spent ₹22, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.20% of a number is 56. What is the number?
  11. 11.51 is 25% of ?
  12. 12.45 is 15% of ?
  13. 13.Dev spent ₹17, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.50% of a number is 105. What is the number?
  15. 15.50% of a number is 60. What is the number?
  16. 16.12% of a number is 33. What is the number?
  17. 17.10% of a number is 6. What is the number?
  18. 18.Diya spent ₹99, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.25% of a number is 30. What is the number?
  20. 20.75% of a number is 126. What is the number?
  21. 21.Aarav spent ₹144, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.Sara spent ₹285, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.5 is 5% of ?
  24. 24.30% of a number is 54. What is the number?
  25. 25.156 is 40% of ?
  26. 26.12% of a number is 48. What is the number?
  27. 27.25% of a number is 72. What is the number?
  28. 28.114 is 40% of ?
  29. 29.Ishaan spent ₹54, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.Sara spent ₹6, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.60% of a number is 15. What is the number?
  32. 32.Ishaan spent ₹3, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.Kabir spent ₹21, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.Riya spent ₹39, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.75% of a number is 93. What is the number?
  36. 36.15 is 12% of ?
  37. 37.54 is 60% of ?
  38. 38.25% of a number is 20. What is the number?
  39. 39.316 is 80% of ?
  40. 40.40 is 20% of ?

Answer key

  1. 400
  2. 80
  3. 240
  4. 90
  5. 175
  6. 212
  7. 210
  8. 175
  9. 220
  10. 280
  11. 204
  12. 300
  13. 170
  14. 210
  15. 120
  16. 275
  17. 60
  18. 330
  19. 120
  20. 168
  21. 240
  22. 380
  23. 100
  24. 180
  25. 390
  26. 400
  27. 288
  28. 285
  29. 360
  30. 50
  31. 25
  32. 15
  33. 175
  34. 260
  35. 124
  36. 125
  37. 90
  38. 80
  39. 395
  40. 200

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