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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 368 · 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. 1.30% of a number is 51. What is the number?
  2. 2.7 is 5% of ?
  3. 3.30% of a number is 78. What is the number?
  4. 4.39 is 10% of ?
  5. 5.25% of a number is 10. What is the number?
  6. 6.Aarav spent ₹105, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.Rohan spent ₹136, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.Sara spent ₹270, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.60 is 15% of ?
  10. 10.Kabir spent ₹9, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.5% of a number is 2. What is the number?
  12. 12.20% of a number is 49. What is the number?
  13. 13.12% of a number is 15. What is the number?
  14. 14.Aarav spent ₹24, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.116 is 80% of ?
  16. 16.80% of a number is 200. What is the number?
  17. 17.20% of a number is 36. What is the number?
  18. 18.10% of a number is 1. What is the number?
  19. 19.3 is 12% of ?
  20. 20.21 is 30% of ?
  21. 21.6 is 10% of ?
  22. 22.Ishaan spent ₹22, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.30 is 50% of ?
  24. 24.Anaya spent ₹73, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  25. 25.Meera spent ₹192, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.64 is 20% of ?
  27. 27.82 is 25% of ?
  28. 28.7 is 20% of ?
  29. 29.39 is 20% of ?
  30. 30.Dev spent ₹33, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.Meera spent ₹33, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.40% of a number is 28. What is the number?
  33. 33.30% of a number is 120. What is the number?
  34. 34.Anaya spent ₹15, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.12 is 40% of ?
  36. 36.2 is 5% of ?
  37. 37.Kabir spent ₹27, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.Sara spent ₹9, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.10% of a number is 9. What is the number?
  40. 40.10% of a number is 12. What is the number?

Answer key

  1. 170
  2. 140
  3. 260
  4. 390
  5. 40
  6. 175
  7. 272
  8. 360
  9. 400
  10. 12
  11. 40
  12. 245
  13. 125
  14. 240
  15. 145
  16. 250
  17. 180
  18. 10
  19. 25
  20. 70
  21. 60
  22. 55
  23. 60
  24. 365
  25. 256
  26. 320
  27. 328
  28. 35
  29. 195
  30. 330
  31. 110
  32. 70
  33. 400
  34. 100
  35. 30
  36. 40
  37. 108
  38. 45
  39. 90
  40. 120

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