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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 957 · 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 30. What is the number?
  2. 2.20% of a number is 62. What is the number?
  3. 3.30% of a number is 81. What is the number?
  4. 4.25% of a number is 42. What is the number?
  5. 5.25 is 50% of ?
  6. 6.Dev spent ₹15, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.Dev spent ₹60, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.Ishaan spent ₹69, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.9 is 15% of ?
  10. 10.5% of a number is 11. What is the number?
  11. 11.10% of a number is 22. What is the number?
  12. 12.39 is 12% of ?
  13. 13.25% of a number is 48. What is the number?
  14. 14.5% of a number is 10. What is the number?
  15. 15.60% of a number is 129. What is the number?
  16. 16.Arjun spent ₹15, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  17. 17.5% of a number is 18. What is the number?
  18. 18.Rohan spent ₹148, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Rohan spent ₹6, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  20. 20.68 is 40% of ?
  21. 21.28 is 10% of ?
  22. 22.111 is 75% of ?
  23. 23.Meera spent ₹34, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.Dev spent ₹231, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.50% of a number is 111. What is the number?
  26. 26.24 is 15% of ?
  27. 27.Arjun spent ₹15, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.12 is 12% of ?
  29. 29.25% of a number is 17. What is the number?
  30. 30.30% of a number is 39. What is the number?
  31. 31.10% of a number is 4. What is the number?
  32. 32.30 is 12% of ?
  33. 33.Sara spent ₹12, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.Sara spent ₹122, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.20% of a number is 22. What is the number?
  36. 36.5% of a number is 3. What is the number?
  37. 37.Riya spent ₹18, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.204 is 75% of ?
  39. 39.30% of a number is 111. What is the number?
  40. 40.Meera spent ₹77, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 100
  2. 310
  3. 270
  4. 168
  5. 50
  6. 100
  7. 200
  8. 345
  9. 60
  10. 220
  11. 220
  12. 325
  13. 192
  14. 200
  15. 215
  16. 50
  17. 360
  18. 370
  19. 30
  20. 170
  21. 280
  22. 148
  23. 85
  24. 385
  25. 222
  26. 160
  27. 300
  28. 100
  29. 68
  30. 130
  31. 40
  32. 250
  33. 15
  34. 305
  35. 110
  36. 60
  37. 120
  38. 272
  39. 370
  40. 308

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