← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 713 · 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. 1.50% of a number is 39. What is the number?
  2. 2.32 is 80% of ?
  3. 3.248 is 80% of ?
  4. 4.87 is 60% of ?
  5. 5.Kabir spent ₹9, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.5% of a number is 5. What is the number?
  7. 7.48 is 12% of ?
  8. 8.Meera spent ₹272, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.Sara spent ₹288, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.12% of a number is 9. What is the number?
  11. 11.21 is 60% of ?
  12. 12.10% of a number is 8. What is the number?
  13. 13.30% of a number is 66. What is the number?
  14. 14.18 is 40% of ?
  15. 15.63 is 30% of ?
  16. 16.Kabir spent ₹29, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.Kabir spent ₹10, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.30% of a number is 24. What is the number?
  19. 19.80% of a number is 236. What is the number?
  20. 20.21 is 25% of ?
  21. 21.181 is 50% of ?
  22. 22.10% of a number is 36. What is the number?
  23. 23.50% of a number is 190. What is the number?
  24. 24.20% of a number is 3. What is the number?
  25. 25.50% of a number is 31. What is the number?
  26. 26.Isha spent ₹37, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.50% of a number is 135. What is the number?
  28. 28.Riya spent ₹92, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.2 is 40% of ?
  30. 30.20 is 25% of ?
  31. 31.Aarav spent ₹48, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.40% of a number is 112. What is the number?
  33. 33.1 is 10% of ?
  34. 34.5 is 5% of ?
  35. 35.3 is 12% of ?
  36. 36.20% of a number is 7. What is the number?
  37. 37.Aarav spent ₹27, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.216 is 75% of ?
  39. 39.6 is 12% of ?
  40. 40.10% of a number is 10. What is the number?

Answer key

  1. 78
  2. 40
  3. 310
  4. 145
  5. 45
  6. 100
  7. 400
  8. 340
  9. 360
  10. 75
  11. 35
  12. 80
  13. 220
  14. 45
  15. 210
  16. 116
  17. 200
  18. 80
  19. 295
  20. 84
  21. 362
  22. 360
  23. 380
  24. 15
  25. 62
  26. 370
  27. 270
  28. 115
  29. 5
  30. 80
  31. 192
  32. 280
  33. 10
  34. 100
  35. 25
  36. 35
  37. 225
  38. 288
  39. 50
  40. 100

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