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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 183 · 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.Dev spent ₹201, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  2. 2.6 is 15% of ?
  3. 3.108 is 60% of ?
  4. 4.50% of a number is 112. What is the number?
  5. 5.60 is 75% of ?
  6. 6.15% of a number is 60. What is the number?
  7. 7.Isha spent ₹21, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.Riya spent ₹9, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.15% of a number is 21. What is the number?
  10. 10.Riya spent ₹21, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.30% of a number is 48. What is the number?
  12. 12.5% of a number is 5. What is the number?
  13. 13.Dev spent ₹18, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.16 is 5% of ?
  15. 15.60% of a number is 99. What is the number?
  16. 16.60% of a number is 144. What is the number?
  17. 17.Riya spent ₹51, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.316 is 80% of ?
  19. 19.Rohan spent ₹11, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  20. 20.60% of a number is 30. What is the number?
  21. 21.25% of a number is 83. What is the number?
  22. 22.10% of a number is 5. What is the number?
  23. 23.Isha spent ₹102, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.28 is 10% of ?
  25. 25.Ishaan spent ₹34, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.75% of a number is 90. What is the number?
  27. 27.4 is 80% of ?
  28. 28.10% of a number is 29. What is the number?
  29. 29.18 is 12% of ?
  30. 30.20 is 20% of ?
  31. 31.15% of a number is 42. What is the number?
  32. 32.12% of a number is 9. What is the number?
  33. 33.112 is 80% of ?
  34. 34.62 is 40% of ?
  35. 35.75% of a number is 27. What is the number?
  36. 36.51 is 25% of ?
  37. 37.Sara spent ₹10, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.20% of a number is 33. What is the number?
  39. 39.15% of a number is 36. What is the number?
  40. 40.Diya spent ₹40, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 335
  2. 40
  3. 180
  4. 224
  5. 80
  6. 400
  7. 28
  8. 30
  9. 140
  10. 210
  11. 160
  12. 100
  13. 150
  14. 320
  15. 165
  16. 240
  17. 85
  18. 395
  19. 220
  20. 50
  21. 332
  22. 50
  23. 340
  24. 280
  25. 340
  26. 120
  27. 5
  28. 290
  29. 150
  30. 100
  31. 280
  32. 75
  33. 140
  34. 155
  35. 36
  36. 204
  37. 100
  38. 165
  39. 240
  40. 50

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