← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 404 · 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. 1.110 is 50% of ?
  2. 2.30% of a number is 60. What is the number?
  3. 3.80% of a number is 220. What is the number?
  4. 4.18 is 12% of ?
  5. 5.5% of a number is 4. What is the number?
  6. 6.10% of a number is 18. What is the number?
  7. 7.Riya spent ₹34, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.Meera spent ₹40, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.15% of a number is 3. What is the number?
  10. 10.8 is 20% of ?
  11. 11.Arjun spent ₹90, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.Diya spent ₹39, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.Rohan spent ₹39, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.21 is 12% of ?
  15. 15.Rohan spent ₹16, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.50% of a number is 3. What is the number?
  17. 17.10% of a number is 32. What is the number?
  18. 18.197 is 50% of ?
  19. 19.15 is 15% of ?
  20. 20.11 is 10% of ?
  21. 21.15% of a number is 9. What is the number?
  22. 22.30 is 12% of ?
  23. 23.10 is 20% of ?
  24. 24.40 is 25% of ?
  25. 25.26 is 40% of ?
  26. 26.50% of a number is 29. What is the number?
  27. 27.40% of a number is 70. What is the number?
  28. 28.40% of a number is 128. What is the number?
  29. 29.14 is 20% of ?
  30. 30.20% of a number is 22. What is the number?
  31. 31.50% of a number is 32. What is the number?
  32. 32.Isha spent ₹12, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.25% of a number is 91. What is the number?
  34. 34.50% of a number is 186. What is the number?
  35. 35.Sara spent ₹82, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.21 is 15% of ?
  37. 37.24 is 50% of ?
  38. 38.Sara spent ₹62, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.186 is 60% of ?
  40. 40.48 is 60% of ?

Answer key

  1. 220
  2. 200
  3. 275
  4. 150
  5. 80
  6. 180
  7. 170
  8. 80
  9. 20
  10. 40
  11. 300
  12. 195
  13. 390
  14. 175
  15. 160
  16. 6
  17. 320
  18. 394
  19. 100
  20. 110
  21. 60
  22. 250
  23. 50
  24. 160
  25. 65
  26. 58
  27. 175
  28. 320
  29. 70
  30. 110
  31. 64
  32. 80
  33. 364
  34. 372
  35. 205
  36. 140
  37. 48
  38. 310
  39. 310
  40. 80

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