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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 400 · 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. 1.145 is 50% of ?
  2. 2.76 is 20% of ?
  3. 3.Dev spent ₹16, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.30 is 30% of ?
  5. 5.50% of a number is 155. What is the number?
  6. 6.75% of a number is 78. What is the number?
  7. 7.10% of a number is 21. What is the number?
  8. 8.12% of a number is 12. What is the number?
  9. 9.10% of a number is 31. What is the number?
  10. 10.40% of a number is 32. What is the number?
  11. 11.Isha spent ₹96, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  12. 12.25% of a number is 24. What is the number?
  13. 13.9 is 12% of ?
  14. 14.26 is 50% of ?
  15. 15.Diya spent ₹195, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.5% of a number is 3. What is the number?
  17. 17.168 is 60% of ?
  18. 18.5% of a number is 18. What is the number?
  19. 19.5% of a number is 8. What is the number?
  20. 20.42 is 12% of ?
  21. 21.48 is 12% of ?
  22. 22.18 is 25% of ?
  23. 23.18 is 30% of ?
  24. 24.50% of a number is 102. What is the number?
  25. 25.40 is 10% of ?
  26. 26.5% of a number is 1. What is the number?
  27. 27.123 is 75% of ?
  28. 28.50% of a number is 163. What is the number?
  29. 29.Dev spent ₹62, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.8 is 40% of ?
  31. 31.92 is 25% of ?
  32. 32.10% of a number is 8. What is the number?
  33. 33.24 is 15% of ?
  34. 34.40% of a number is 10. What is the number?
  35. 35.12% of a number is 9. What is the number?
  36. 36.Riya spent ₹41, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.15% of a number is 45. What is the number?
  38. 38.20% of a number is 18. What is the number?
  39. 39.25% of a number is 40. What is the number?
  40. 40.Rohan spent ₹48, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 290
  2. 380
  3. 64
  4. 100
  5. 310
  6. 104
  7. 210
  8. 100
  9. 310
  10. 80
  11. 160
  12. 96
  13. 75
  14. 52
  15. 390
  16. 60
  17. 280
  18. 360
  19. 160
  20. 350
  21. 400
  22. 72
  23. 60
  24. 204
  25. 400
  26. 20
  27. 164
  28. 326
  29. 124
  30. 20
  31. 368
  32. 80
  33. 160
  34. 25
  35. 75
  36. 164
  37. 300
  38. 90
  39. 160
  40. 160

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