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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 29 · 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. 1.60% of a number is 225. What is the number?
  2. 2.6 is 15% of ?
  3. 3.30% of a number is 18. What is the number?
  4. 4.24 is 15% of ?
  5. 5.40% of a number is 48. What is the number?
  6. 6.Aarav spent ₹168, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.25% of a number is 49. What is the number?
  8. 8.20% of a number is 42. What is the number?
  9. 9.10% of a number is 3. What is the number?
  10. 10.25% of a number is 21. What is the number?
  11. 11.Riya spent ₹288, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.60% of a number is 27. What is the number?
  13. 13.12 is 15% of ?
  14. 14.20% of a number is 39. What is the number?
  15. 15.Diya spent ₹60, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.Arjun spent ₹15, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  17. 17.48 is 15% of ?
  18. 18.Ishaan spent ₹120, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.93 is 30% of ?
  20. 20.25% of a number is 23. What is the number?
  21. 21.Dev spent ₹222, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.20% of a number is 4. What is the number?
  23. 23.Arjun spent ₹79, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.75% of a number is 63. What is the number?
  25. 25.Riya spent ₹60, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.Riya spent ₹27, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.3 is 15% of ?
  28. 28.45 is 12% of ?
  29. 29.40% of a number is 60. What is the number?
  30. 30.35 is 20% of ?
  31. 31.Arjun spent ₹30, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.5% of a number is 7. What is the number?
  33. 33.13 is 10% of ?
  34. 34.Dev spent ₹18, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  35. 35.Riya spent ₹134, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.Meera spent ₹168, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.1 is 5% of ?
  38. 38.30% of a number is 51. What is the number?
  39. 39.40% of a number is 38. What is the number?
  40. 40.30% of a number is 90. What is the number?

Answer key

  1. 375
  2. 40
  3. 60
  4. 160
  5. 120
  6. 224
  7. 196
  8. 210
  9. 30
  10. 84
  11. 384
  12. 45
  13. 80
  14. 195
  15. 75
  16. 100
  17. 320
  18. 240
  19. 310
  20. 92
  21. 370
  22. 20
  23. 395
  24. 84
  25. 120
  26. 135
  27. 20
  28. 375
  29. 150
  30. 175
  31. 250
  32. 140
  33. 130
  34. 180
  35. 335
  36. 280
  37. 20
  38. 170
  39. 95
  40. 300

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