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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 182 · 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. 1.12% of a number is 12. What is the number?
  2. 2.76 is 50% of ?
  3. 3.60 is 15% of ?
  4. 4.Dev spent ₹72, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.Aarav spent ₹105, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.200 is 80% of ?
  7. 7.5% of a number is 15. What is the number?
  8. 8.Isha spent ₹81, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.75% of a number is 279. What is the number?
  10. 10.Riya spent ₹42, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.75% of a number is 27. What is the number?
  12. 12.10% of a number is 14. What is the number?
  13. 13.32 is 40% of ?
  14. 14.12% of a number is 36. What is the number?
  15. 15.50% of a number is 104. What is the number?
  16. 16.237 is 60% of ?
  17. 17.12 is 30% of ?
  18. 18.10% of a number is 17. What is the number?
  19. 19.Anaya spent ₹3, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.80% of a number is 72. What is the number?
  21. 21.10% of a number is 8. What is the number?
  22. 22.39 is 25% of ?
  23. 23.36 is 50% of ?
  24. 24.Dev spent ₹25, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.25% of a number is 16. What is the number?
  26. 26.Riya spent ₹3, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.5% of a number is 16. What is the number?
  28. 28.20% of a number is 35. What is the number?
  29. 29.71 is 20% of ?
  30. 30.Rohan spent ₹5, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.5% of a number is 13. What is the number?
  32. 32.63 is 30% of ?
  33. 33.Diya spent ₹3, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.Rohan spent ₹51, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Anaya spent ₹114, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.15% of a number is 33. What is the number?
  37. 37.75% of a number is 6. What is the number?
  38. 38.120 is 75% of ?
  39. 39.10% of a number is 3. What is the number?
  40. 40.15% of a number is 9. What is the number?

Answer key

  1. 100
  2. 152
  3. 400
  4. 180
  5. 350
  6. 250
  7. 300
  8. 135
  9. 372
  10. 140
  11. 36
  12. 140
  13. 80
  14. 300
  15. 208
  16. 395
  17. 40
  18. 170
  19. 30
  20. 90
  21. 80
  22. 156
  23. 72
  24. 250
  25. 64
  26. 60
  27. 320
  28. 175
  29. 355
  30. 100
  31. 260
  32. 210
  33. 25
  34. 85
  35. 228
  36. 220
  37. 8
  38. 160
  39. 30
  40. 60

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