← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 463 · 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. 1.20% of a number is 50. What is the number?
  2. 2.80% of a number is 168. What is the number?
  3. 3.122 is 40% of ?
  4. 4.20% of a number is 70. What is the number?
  5. 5.12 is 10% of ?
  6. 6.15% of a number is 18. What is the number?
  7. 7.Meera spent ₹120, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.60% of a number is 36. What is the number?
  9. 9.25% of a number is 82. What is the number?
  10. 10.152 is 40% of ?
  11. 11.Sara spent ₹36, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.Aarav spent ₹26, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.84 is 75% of ?
  14. 14.Ishaan spent ₹4, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.75 is 30% of ?
  16. 16.15% of a number is 39. What is the number?
  17. 17.Dev spent ₹42, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  18. 18.Dev spent ₹27, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.40% of a number is 82. What is the number?
  20. 20.20% of a number is 4. What is the number?
  21. 21.Rohan spent ₹148, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.115 is 50% of ?
  23. 23.75% of a number is 51. What is the number?
  24. 24.75% of a number is 54. What is the number?
  25. 25.40% of a number is 26. What is the number?
  26. 26.Arjun spent ₹6, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.15% of a number is 3. What is the number?
  28. 28.20% of a number is 13. What is the number?
  29. 29.20% of a number is 10. What is the number?
  30. 30.40% of a number is 28. What is the number?
  31. 31.40% of a number is 144. What is the number?
  32. 32.20% of a number is 72. What is the number?
  33. 33.Kabir spent ₹31, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.61 is 25% of ?
  35. 35.Meera spent ₹58, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.25% of a number is 5. What is the number?
  37. 37.12% of a number is 12. What is the number?
  38. 38.Sara spent ₹87, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.15% of a number is 42. What is the number?
  40. 40.36 is 12% of ?

Answer key

  1. 250
  2. 210
  3. 305
  4. 350
  5. 120
  6. 120
  7. 200
  8. 60
  9. 328
  10. 380
  11. 144
  12. 260
  13. 112
  14. 40
  15. 250
  16. 260
  17. 56
  18. 270
  19. 205
  20. 20
  21. 185
  22. 230
  23. 68
  24. 72
  25. 65
  26. 50
  27. 20
  28. 65
  29. 50
  30. 70
  31. 360
  32. 360
  33. 310
  34. 244
  35. 290
  36. 20
  37. 100
  38. 348
  39. 280
  40. 300

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