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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 995 · 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. 1.10% of a number is 19. What is the number?
  2. 2.Ishaan spent ₹159, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  3. 3.Aarav spent ₹28, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.105 is 30% of ?
  5. 5.28 is 40% of ?
  6. 6.Meera spent ₹6, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.Aarav spent ₹15, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.25% of a number is 21. What is the number?
  9. 9.Arjun spent ₹39, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.50% of a number is 107. What is the number?
  11. 11.75% of a number is 114. What is the number?
  12. 12.152 is 80% of ?
  13. 13.Sara spent ₹23, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.Dev spent ₹51, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.40% of a number is 80. What is the number?
  16. 16.15% of a number is 42. What is the number?
  17. 17.9 is 10% of ?
  18. 18.15% of a number is 3. What is the number?
  19. 19.Isha spent ₹8, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  20. 20.160 is 40% of ?
  21. 21.11 is 20% of ?
  22. 22.30% of a number is 24. What is the number?
  23. 23.Sara spent ₹7, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.Anaya spent ₹5, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  25. 25.7 is 10% of ?
  26. 26.13 is 20% of ?
  27. 27.60% of a number is 123. What is the number?
  28. 28.6 is 15% of ?
  29. 29.Rohan spent ₹68, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.80% of a number is 8. What is the number?
  31. 31.60 is 25% of ?
  32. 32.12% of a number is 6. What is the number?
  33. 33.15% of a number is 27. What is the number?
  34. 34.120 is 30% of ?
  35. 35.50% of a number is 33. What is the number?
  36. 36.Diya spent ₹26, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.5% of a number is 12. What is the number?
  38. 38.15 is 5% of ?
  39. 39.80% of a number is 56. What is the number?
  40. 40.14 is 5% of ?

Answer key

  1. 190
  2. 212
  3. 112
  4. 350
  5. 70
  6. 10
  7. 125
  8. 84
  9. 325
  10. 214
  11. 152
  12. 190
  13. 115
  14. 170
  15. 200
  16. 280
  17. 90
  18. 20
  19. 80
  20. 400
  21. 55
  22. 80
  23. 70
  24. 20
  25. 70
  26. 65
  27. 205
  28. 40
  29. 272
  30. 10
  31. 240
  32. 50
  33. 180
  34. 400
  35. 66
  36. 104
  37. 240
  38. 300
  39. 70
  40. 280

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