← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 304 · 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. 1.3 is 15% of ?
  2. 2.2 is 10% of ?
  3. 3.40% of a number is 90. What is the number?
  4. 4.15% of a number is 18. What is the number?
  5. 5.24 is 30% of ?
  6. 6.27 is 30% of ?
  7. 7.44 is 40% of ?
  8. 8.40% of a number is 46. What is the number?
  9. 9.13 is 25% of ?
  10. 10.Diya spent ₹122, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.20% of a number is 11. What is the number?
  12. 12.25% of a number is 71. What is the number?
  13. 13.20% of a number is 68. What is the number?
  14. 14.189 is 75% of ?
  15. 15.81 is 75% of ?
  16. 16.10% of a number is 30. What is the number?
  17. 17.224 is 80% of ?
  18. 18.75 is 30% of ?
  19. 19.Diya spent ₹88, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.5% of a number is 2. What is the number?
  21. 21.50% of a number is 26. What is the number?
  22. 22.25% of a number is 45. What is the number?
  23. 23.Anaya spent ₹240, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.31 is 25% of ?
  25. 25.Sara spent ₹6, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.Isha spent ₹28, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.Dev spent ₹35, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.Arjun spent ₹45, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.20% of a number is 40. What is the number?
  30. 30.60% of a number is 180. What is the number?
  31. 31.5 is 10% of ?
  32. 32.9 is 20% of ?
  33. 33.20% of a number is 79. What is the number?
  34. 34.5% of a number is 17. What is the number?
  35. 35.60% of a number is 9. What is the number?
  36. 36.75% of a number is 111. What is the number?
  37. 37.Dev spent ₹19, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.5% of a number is 9. What is the number?
  39. 39.Kabir spent ₹37, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  40. 40.5% of a number is 4. What is the number?

Answer key

  1. 20
  2. 20
  3. 225
  4. 120
  5. 80
  6. 90
  7. 110
  8. 115
  9. 52
  10. 305
  11. 55
  12. 284
  13. 340
  14. 252
  15. 108
  16. 300
  17. 280
  18. 250
  19. 110
  20. 40
  21. 52
  22. 180
  23. 300
  24. 124
  25. 60
  26. 112
  27. 350
  28. 300
  29. 200
  30. 300
  31. 50
  32. 45
  33. 395
  34. 340
  35. 15
  36. 148
  37. 38
  38. 180
  39. 370
  40. 80

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