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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 484 · 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 72. What is the number?
  2. 2.25% of a number is 43. What is the number?
  3. 3.Isha spent ₹26, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  4. 4.Isha spent ₹40, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.6 is 15% of ?
  6. 6.50% of a number is 25. What is the number?
  7. 7.Rohan spent ₹186, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.12% of a number is 45. What is the number?
  9. 9.Meera spent ₹40, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.132 is 60% of ?
  11. 11.15% of a number is 27. What is the number?
  12. 12.21 is 10% of ?
  13. 13.Diya spent ₹54, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.15% of a number is 15. What is the number?
  15. 15.Meera spent ₹44, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.10% of a number is 30. What is the number?
  17. 17.24 is 10% of ?
  18. 18.Arjun spent ₹115, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.30% of a number is 84. What is the number?
  20. 20.Rohan spent ₹199, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.213 is 75% of ?
  22. 22.120 is 40% of ?
  23. 23.12% of a number is 36. What is the number?
  24. 24.33 is 15% of ?
  25. 25.42 is 25% of ?
  26. 26.40% of a number is 94. What is the number?
  27. 27.Aarav spent ₹48, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.Riya spent ₹53, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.10% of a number is 32. What is the number?
  30. 30.Dev spent ₹152, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.3 is 30% of ?
  32. 32.Aarav spent ₹11, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.Rohan spent ₹90, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.75% of a number is 84. What is the number?
  35. 35.40% of a number is 66. What is the number?
  36. 36.55 is 20% of ?
  37. 37.40% of a number is 26. What is the number?
  38. 38.12% of a number is 9. What is the number?
  39. 39.25% of a number is 29. What is the number?
  40. 40.15% of a number is 21. What is the number?

Answer key

  1. 240
  2. 172
  3. 52
  4. 400
  5. 40
  6. 50
  7. 372
  8. 375
  9. 400
  10. 220
  11. 180
  12. 210
  13. 360
  14. 100
  15. 220
  16. 300
  17. 240
  18. 230
  19. 280
  20. 398
  21. 284
  22. 300
  23. 300
  24. 220
  25. 168
  26. 235
  27. 160
  28. 265
  29. 320
  30. 190
  31. 10
  32. 110
  33. 300
  34. 112
  35. 165
  36. 275
  37. 65
  38. 75
  39. 116
  40. 140

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