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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 818 · 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 3. What is the number?
  2. 2.15% of a number is 48. What is the number?
  3. 3.Dev spent ₹56, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.30% of a number is 102. What is the number?
  5. 5.30 is 15% of ?
  6. 6.73 is 25% of ?
  7. 7.Ishaan spent ₹27, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.282 is 75% of ?
  9. 9.76 is 25% of ?
  10. 10.63 is 75% of ?
  11. 11.Rohan spent ₹42, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.5% of a number is 12. What is the number?
  13. 13.Ishaan spent ₹54, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.25% of a number is 4. What is the number?
  15. 15.50% of a number is 37. What is the number?
  16. 16.10% of a number is 31. What is the number?
  17. 17.Ishaan spent ₹12, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  18. 18.121 is 50% of ?
  19. 19.75% of a number is 183. What is the number?
  20. 20.320 is 80% of ?
  21. 21.77 is 50% of ?
  22. 22.12% of a number is 6. What is the number?
  23. 23.30% of a number is 21. What is the number?
  24. 24.Riya spent ₹66, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.3 is 10% of ?
  26. 26.7 is 20% of ?
  27. 27.18 is 40% of ?
  28. 28.Isha spent ₹60, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.12% of a number is 36. What is the number?
  30. 30.54 is 30% of ?
  31. 31.Riya spent ₹39, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Meera spent ₹22, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.15% of a number is 21. What is the number?
  34. 34.Diya spent ₹162, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.40% of a number is 40. What is the number?
  36. 36.10% of a number is 11. What is the number?
  37. 37.Riya spent ₹102, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.50% of a number is 190. What is the number?
  39. 39.Meera spent ₹162, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.Meera spent ₹57, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 25
  2. 320
  3. 140
  4. 340
  5. 200
  6. 292
  7. 180
  8. 376
  9. 304
  10. 84
  11. 350
  12. 240
  13. 72
  14. 16
  15. 74
  16. 310
  17. 20
  18. 242
  19. 244
  20. 400
  21. 154
  22. 50
  23. 70
  24. 330
  25. 30
  26. 35
  27. 45
  28. 200
  29. 300
  30. 180
  31. 130
  32. 44
  33. 140
  34. 324
  35. 100
  36. 110
  37. 255
  38. 380
  39. 324
  40. 190

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