← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 689 · 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. 1.15% of a number is 3. What is the number?
  2. 2.Meera spent ₹108, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.Riya spent ₹36, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.Meera spent ₹25, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.11 is 5% of ?
  6. 6.Kabir spent ₹24, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.207 is 60% of ?
  8. 8.15% of a number is 9. What is the number?
  9. 9.Riya spent ₹14, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.Ishaan spent ₹6, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.30 is 12% of ?
  12. 12.15% of a number is 15. What is the number?
  13. 13.10% of a number is 7. What is the number?
  14. 14.80% of a number is 276. What is the number?
  15. 15.50% of a number is 136. What is the number?
  16. 16.104 is 40% of ?
  17. 17.12% of a number is 6. What is the number?
  18. 18.Aarav spent ₹165, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.60 is 15% of ?
  20. 20.15% of a number is 30. What is the number?
  21. 21.20% of a number is 24. What is the number?
  22. 22.Isha spent ₹30, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.9 is 5% of ?
  24. 24.123 is 75% of ?
  25. 25.64 is 20% of ?
  26. 26.Aarav spent ₹27, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.20% of a number is 57. What is the number?
  28. 28.Ishaan spent ₹9, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.60% of a number is 207. What is the number?
  30. 30.Isha spent ₹12, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.12% of a number is 33. What is the number?
  32. 32.Rohan spent ₹264, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.Rohan spent ₹72, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.Sara spent ₹137, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.15% of a number is 6. What is the number?
  36. 36.Meera spent ₹21, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.10% of a number is 32. What is the number?
  38. 38.10% of a number is 20. What is the number?
  39. 39.Sara spent ₹12, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.12% of a number is 45. What is the number?

Answer key

  1. 20
  2. 360
  3. 120
  4. 125
  5. 220
  6. 80
  7. 345
  8. 60
  9. 35
  10. 40
  11. 250
  12. 100
  13. 70
  14. 345
  15. 272
  16. 260
  17. 50
  18. 330
  19. 400
  20. 200
  21. 120
  22. 300
  23. 180
  24. 164
  25. 320
  26. 270
  27. 285
  28. 75
  29. 345
  30. 100
  31. 275
  32. 352
  33. 288
  34. 274
  35. 40
  36. 210
  37. 320
  38. 200
  39. 240
  40. 375

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