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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 734 · 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. 1.210 is 75% of ?
  2. 2.21 is 12% of ?
  3. 3.25% of a number is 39. What is the number?
  4. 4.75% of a number is 246. What is the number?
  5. 5.20 is 5% of ?
  6. 6.38 is 50% of ?
  7. 7.4 is 40% of ?
  8. 8.80% of a number is 28. What is the number?
  9. 9.63 is 30% of ?
  10. 10.20% of a number is 63. What is the number?
  11. 11.Ishaan spent ₹160, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.4 is 10% of ?
  13. 13.Aarav spent ₹52, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Aarav spent ₹5, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.25% of a number is 81. What is the number?
  16. 16.12% of a number is 27. What is the number?
  17. 17.5 is 5% of ?
  18. 18.30% of a number is 120. What is the number?
  19. 19.11 is 5% of ?
  20. 20.Isha spent ₹10, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.25% of a number is 32. What is the number?
  22. 22.80% of a number is 8. What is the number?
  23. 23.Kabir spent ₹20, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.80% of a number is 104. What is the number?
  25. 25.12% of a number is 42. What is the number?
  26. 26.75% of a number is 120. What is the number?
  27. 27.Diya spent ₹300, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  28. 28.Ishaan spent ₹15, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.Dev spent ₹27, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.Rohan spent ₹139, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.Ishaan spent ₹8, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.Riya spent ₹148, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.30% of a number is 36. What is the number?
  34. 34.192 is 60% of ?
  35. 35.Arjun spent ₹12, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.6 is 20% of ?
  37. 37.15 is 5% of ?
  38. 38.75% of a number is 102. What is the number?
  39. 39.Ishaan spent ₹124, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.Aarav spent ₹6, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 280
  2. 175
  3. 156
  4. 328
  5. 400
  6. 76
  7. 10
  8. 35
  9. 210
  10. 315
  11. 320
  12. 40
  13. 130
  14. 20
  15. 324
  16. 225
  17. 100
  18. 400
  19. 220
  20. 200
  21. 128
  22. 10
  23. 80
  24. 130
  25. 350
  26. 160
  27. 400
  28. 300
  29. 270
  30. 278
  31. 32
  32. 185
  33. 120
  34. 320
  35. 80
  36. 30
  37. 300
  38. 136
  39. 248
  40. 60

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