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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 569 · 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. 1.75 is 75% of ?
  2. 2.50% of a number is 16. What is the number?
  3. 3.Diya spent ₹3, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.6 is 25% of ?
  5. 5.Meera spent ₹12, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Arjun spent ₹72, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.18 is 15% of ?
  8. 8.12% of a number is 24. What is the number?
  9. 9.5% of a number is 6. What is the number?
  10. 10.Diya spent ₹231, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.12 is 15% of ?
  12. 12.Aarav spent ₹39, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.18 is 25% of ?
  14. 14.60% of a number is 192. What is the number?
  15. 15.Riya spent ₹1, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.85 is 50% of ?
  17. 17.10% of a number is 19. What is the number?
  18. 18.3 is 15% of ?
  19. 19.Meera spent ₹69, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.Diya spent ₹24, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.15% of a number is 6. What is the number?
  22. 22.15% of a number is 15. What is the number?
  23. 23.183 is 60% of ?
  24. 24.123 is 75% of ?
  25. 25.39 is 15% of ?
  26. 26.25% of a number is 28. What is the number?
  27. 27.5% of a number is 1. What is the number?
  28. 28.54 is 15% of ?
  29. 29.152 is 40% of ?
  30. 30.50 is 20% of ?
  31. 31.20% of a number is 10. What is the number?
  32. 32.5% of a number is 3. What is the number?
  33. 33.Ishaan spent ₹111, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.Ishaan spent ₹2, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.Rohan spent ₹37, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Isha spent ₹16, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.10% of a number is 35. What is the number?
  38. 38.Sara spent ₹45, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.10% of a number is 1. What is the number?
  40. 40.30 is 15% of ?

Answer key

  1. 100
  2. 32
  3. 10
  4. 24
  5. 40
  6. 360
  7. 120
  8. 200
  9. 120
  10. 308
  11. 80
  12. 390
  13. 72
  14. 320
  15. 5
  16. 170
  17. 190
  18. 20
  19. 92
  20. 40
  21. 40
  22. 100
  23. 305
  24. 164
  25. 260
  26. 112
  27. 20
  28. 360
  29. 380
  30. 250
  31. 50
  32. 60
  33. 370
  34. 10
  35. 185
  36. 160
  37. 350
  38. 225
  39. 10
  40. 200

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