← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 985 · 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. 1.80% of a number is 176. What is the number?
  2. 2.20% of a number is 8. What is the number?
  3. 3.Dev spent ₹6, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.99 is 30% of ?
  5. 5.30% of a number is 15. What is the number?
  6. 6.75% of a number is 54. What is the number?
  7. 7.Meera spent ₹9, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.Ishaan spent ₹36, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.207 is 60% of ?
  10. 10.204 is 75% of ?
  11. 11.Rohan spent ₹24, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.60% of a number is 168. What is the number?
  13. 13.27 is 15% of ?
  14. 14.27 is 30% of ?
  15. 15.39 is 12% of ?
  16. 16.120 is 60% of ?
  17. 17.288 is 80% of ?
  18. 18.82 is 25% of ?
  19. 19.70 is 50% of ?
  20. 20.45 is 12% of ?
  21. 21.Kabir spent ₹42, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.50% of a number is 109. What is the number?
  23. 23.Aarav spent ₹60, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.Rohan spent ₹28, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.42 is 20% of ?
  26. 26.Riya spent ₹2, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.Riya spent ₹312, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.Anaya spent ₹51, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.3 is 10% of ?
  30. 30.9 is 15% of ?
  31. 31.Dev spent ₹30, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.Rohan spent ₹77, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.Riya spent ₹34, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.Kabir spent ₹83, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.77 is 25% of ?
  36. 36.267 is 75% of ?
  37. 37.Isha spent ₹164, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.Riya spent ₹172, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.60% of a number is 45. What is the number?
  40. 40.50% of a number is 165. What is the number?

Answer key

  1. 220
  2. 40
  3. 50
  4. 330
  5. 50
  6. 72
  7. 60
  8. 300
  9. 345
  10. 272
  11. 240
  12. 280
  13. 180
  14. 90
  15. 325
  16. 200
  17. 360
  18. 328
  19. 140
  20. 375
  21. 140
  22. 218
  23. 400
  24. 35
  25. 210
  26. 8
  27. 390
  28. 68
  29. 30
  30. 60
  31. 100
  32. 308
  33. 340
  34. 332
  35. 308
  36. 356
  37. 205
  38. 215
  39. 75
  40. 330

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