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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 757 · 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. 1.41 is 20% of ?
  2. 2.12 is 5% of ?
  3. 3.Ishaan spent ₹27, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.126 is 75% of ?
  5. 5.5% of a number is 18. What is the number?
  6. 6.Meera spent ₹2, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.60% of a number is 78. What is the number?
  8. 8.61 is 20% of ?
  9. 9.56 is 40% of ?
  10. 10.248 is 80% of ?
  11. 11.10% of a number is 16. What is the number?
  12. 12.20% of a number is 20. What is the number?
  13. 13.40% of a number is 4. What is the number?
  14. 14.Riya spent ₹102, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.9 is 30% of ?
  16. 16.Aarav spent ₹3, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.69 is 60% of ?
  18. 18.39 is 10% of ?
  19. 19.Ishaan spent ₹6, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Isha spent ₹174, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.14 is 25% of ?
  22. 22.9 is 50% of ?
  23. 23.Diya spent ₹156, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.69 is 20% of ?
  25. 25.Anaya spent ₹105, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.Riya spent ₹180, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.Anaya spent ₹225, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.Diya spent ₹10, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.24 is 30% of ?
  30. 30.5% of a number is 11. What is the number?
  31. 31.25% of a number is 3. What is the number?
  32. 32.24 is 12% of ?
  33. 33.72 is 75% of ?
  34. 34.20% of a number is 18. What is the number?
  35. 35.34 is 40% of ?
  36. 36.40% of a number is 110. What is the number?
  37. 37.2 is 10% of ?
  38. 38.5% of a number is 10. What is the number?
  39. 39.40% of a number is 10. What is the number?
  40. 40.7 is 5% of ?

Answer key

  1. 205
  2. 240
  3. 225
  4. 168
  5. 360
  6. 20
  7. 130
  8. 305
  9. 140
  10. 310
  11. 160
  12. 100
  13. 10
  14. 170
  15. 30
  16. 60
  17. 115
  18. 390
  19. 20
  20. 232
  21. 56
  22. 18
  23. 208
  24. 345
  25. 140
  26. 300
  27. 300
  28. 20
  29. 80
  30. 220
  31. 12
  32. 200
  33. 96
  34. 90
  35. 85
  36. 275
  37. 20
  38. 200
  39. 25
  40. 140

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