← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 532 · 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. 1.10% of a number is 31. What is the number?
  2. 2.24 is 30% of ?
  3. 3.60% of a number is 102. What is the number?
  4. 4.58 is 40% of ?
  5. 5.Sara spent ₹17, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.10% of a number is 19. What is the number?
  7. 7.Isha spent ₹36, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.75% of a number is 3. What is the number?
  9. 9.62 is 40% of ?
  10. 10.Arjun spent ₹39, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  11. 11.6 is 15% of ?
  12. 12.222 is 60% of ?
  13. 13.80% of a number is 28. What is the number?
  14. 14.42 is 12% of ?
  15. 15.22 is 25% of ?
  16. 16.77 is 20% of ?
  17. 17.Meera spent ₹27, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.296 is 80% of ?
  19. 19.20% of a number is 17. What is the number?
  20. 20.45 is 15% of ?
  21. 21.10% of a number is 27. What is the number?
  22. 22.60% of a number is 225. What is the number?
  23. 23.51 is 15% of ?
  24. 24.Arjun spent ₹93, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.30 is 12% of ?
  26. 26.Arjun spent ₹57, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.12% of a number is 9. What is the number?
  28. 28.50% of a number is 161. What is the number?
  29. 29.10% of a number is 32. What is the number?
  30. 30.Meera spent ₹11, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.5% of a number is 13. What is the number?
  32. 32.50% of a number is 104. What is the number?
  33. 33.23 is 25% of ?
  34. 34.Aarav spent ₹24, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.18 is 15% of ?
  36. 36.72 is 75% of ?
  37. 37.220 is 80% of ?
  38. 38.40% of a number is 90. What is the number?
  39. 39.50% of a number is 55. What is the number?
  40. 40.10% of a number is 35. What is the number?

Answer key

  1. 310
  2. 80
  3. 170
  4. 145
  5. 340
  6. 190
  7. 45
  8. 4
  9. 155
  10. 325
  11. 40
  12. 370
  13. 35
  14. 350
  15. 88
  16. 385
  17. 225
  18. 370
  19. 85
  20. 300
  21. 270
  22. 375
  23. 340
  24. 310
  25. 250
  26. 380
  27. 75
  28. 322
  29. 320
  30. 22
  31. 260
  32. 208
  33. 92
  34. 60
  35. 120
  36. 96
  37. 275
  38. 225
  39. 110
  40. 350

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