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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 715 · 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. 1.78 is 20% of ?
  2. 2.21 is 12% of ?
  3. 3.30% of a number is 36. What is the number?
  4. 4.15% of a number is 12. What is the number?
  5. 5.Diya spent ₹91, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.80% of a number is 12. What is the number?
  7. 7.9 is 10% of ?
  8. 8.Ishaan spent ₹1, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.26 is 25% of ?
  10. 10.50% of a number is 21. What is the number?
  11. 11.162 is 60% of ?
  12. 12.Sara spent ₹114, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.Ishaan spent ₹18, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.20% of a number is 74. What is the number?
  15. 15.Meera spent ₹6, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.20 is 10% of ?
  17. 17.15 is 30% of ?
  18. 18.192 is 50% of ?
  19. 19.Meera spent ₹15, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.Sara spent ₹26, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.75% of a number is 177. What is the number?
  22. 22.69 is 60% of ?
  23. 23.Riya spent ₹48, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.10% of a number is 31. What is the number?
  25. 25.25% of a number is 16. What is the number?
  26. 26.10% of a number is 1. What is the number?
  27. 27.75% of a number is 165. What is the number?
  28. 28.68 is 50% of ?
  29. 29.Meera spent ₹21, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.75% of a number is 192. What is the number?
  31. 31.Diya spent ₹28, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.112 is 80% of ?
  33. 33.48 is 15% of ?
  34. 34.20% of a number is 18. What is the number?
  35. 35.Riya spent ₹43, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.252 is 75% of ?
  37. 37.15% of a number is 24. What is the number?
  38. 38.Arjun spent ₹92, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.10% of a number is 16. What is the number?
  40. 40.15% of a number is 60. What is the number?

Answer key

  1. 390
  2. 175
  3. 120
  4. 80
  5. 364
  6. 15
  7. 90
  8. 20
  9. 104
  10. 42
  11. 270
  12. 285
  13. 60
  14. 370
  15. 120
  16. 200
  17. 50
  18. 384
  19. 100
  20. 130
  21. 236
  22. 115
  23. 64
  24. 310
  25. 64
  26. 10
  27. 220
  28. 136
  29. 140
  30. 256
  31. 70
  32. 140
  33. 320
  34. 90
  35. 215
  36. 336
  37. 160
  38. 230
  39. 160
  40. 400

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