← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 625 · 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 12. What is the number?
  2. 2.50% of a number is 140. What is the number?
  3. 3.60% of a number is 240. What is the number?
  4. 4.30% of a number is 9. What is the number?
  5. 5.147 is 50% of ?
  6. 6.25% of a number is 68. What is the number?
  7. 7.51 is 60% of ?
  8. 8.30% of a number is 21. What is the number?
  9. 9.Aarav spent ₹8, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.80% of a number is 120. What is the number?
  11. 11.Riya spent ₹1, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.45 is 15% of ?
  13. 13.Kabir spent ₹63, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.84 is 80% of ?
  15. 15.20 is 20% of ?
  16. 16.120 is 30% of ?
  17. 17.Riya spent ₹18, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.Aarav spent ₹52, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.6 is 15% of ?
  20. 20.Aarav spent ₹9, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.Ishaan spent ₹20, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.117 is 30% of ?
  23. 23.Anaya spent ₹28, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.97 is 25% of ?
  25. 25.Dev spent ₹9, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.36 is 12% of ?
  27. 27.4 is 20% of ?
  28. 28.Isha spent ₹4, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.30% of a number is 84. What is the number?
  30. 30.249 is 75% of ?
  31. 31.40% of a number is 108. What is the number?
  32. 32.Kabir spent ₹57, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.30% of a number is 18. What is the number?
  34. 34.Isha spent ₹224, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.Arjun spent ₹15, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.10% of a number is 30. What is the number?
  37. 37.39 is 12% of ?
  38. 38.Anaya spent ₹33, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.87 is 30% of ?
  40. 40.72 is 50% of ?

Answer key

  1. 120
  2. 280
  3. 400
  4. 30
  5. 294
  6. 272
  7. 85
  8. 70
  9. 80
  10. 150
  11. 20
  12. 300
  13. 105
  14. 105
  15. 100
  16. 400
  17. 360
  18. 65
  19. 40
  20. 75
  21. 100
  22. 390
  23. 140
  24. 388
  25. 18
  26. 300
  27. 20
  28. 40
  29. 280
  30. 332
  31. 270
  32. 95
  33. 60
  34. 280
  35. 150
  36. 300
  37. 325
  38. 55
  39. 290
  40. 144

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