← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 143 · 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.Riya spent ₹21, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.Anaya spent ₹51, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.10% of a number is 27. What is the number?
  4. 4.40% of a number is 152. What is the number?
  5. 5.58 is 25% of ?
  6. 6.60% of a number is 105. What is the number?
  7. 7.30% of a number is 111. What is the number?
  8. 8.60 is 15% of ?
  9. 9.Isha spent ₹52, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.Meera spent ₹288, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.75 is 30% of ?
  12. 12.20% of a number is 75. What is the number?
  13. 13.54 is 50% of ?
  14. 14.Kabir spent ₹63, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.Meera spent ₹228, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.7 is 25% of ?
  17. 17.Aarav spent ₹252, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.Isha spent ₹14, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.Aarav spent ₹11, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.Anaya spent ₹75, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.Rohan spent ₹48, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.20 is 5% of ?
  23. 23.15 is 5% of ?
  24. 24.1 is 5% of ?
  25. 25.143 is 50% of ?
  26. 26.48 is 40% of ?
  27. 27.40% of a number is 154. What is the number?
  28. 28.Arjun spent ₹4, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.75% of a number is 3. What is the number?
  30. 30.60% of a number is 3. What is the number?
  31. 31.12% of a number is 9. What is the number?
  32. 32.34 is 10% of ?
  33. 33.36 is 12% of ?
  34. 34.58 is 40% of ?
  35. 35.27 is 12% of ?
  36. 36.10% of a number is 14. What is the number?
  37. 37.90 is 40% of ?
  38. 38.Aarav spent ₹7, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.5% of a number is 4. What is the number?
  40. 40.Riya spent ₹72, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 105
  2. 170
  3. 270
  4. 380
  5. 232
  6. 175
  7. 370
  8. 400
  9. 260
  10. 384
  11. 250
  12. 375
  13. 108
  14. 105
  15. 380
  16. 28
  17. 336
  18. 70
  19. 110
  20. 250
  21. 96
  22. 400
  23. 300
  24. 20
  25. 286
  26. 120
  27. 385
  28. 20
  29. 4
  30. 5
  31. 75
  32. 340
  33. 300
  34. 145
  35. 225
  36. 140
  37. 225
  38. 140
  39. 80
  40. 96

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