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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 550 · 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. 1.17 is 50% of ?
  2. 2.Isha spent ₹33, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  3. 3.92 is 80% of ?
  4. 4.27 is 15% of ?
  5. 5.5% of a number is 10. What is the number?
  6. 6.30% of a number is 84. What is the number?
  7. 7.12 is 60% of ?
  8. 8.Ishaan spent ₹168, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.Rohan spent ₹3, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.54 is 40% of ?
  11. 11.36 is 80% of ?
  12. 12.75% of a number is 114. What is the number?
  13. 13.47 is 25% of ?
  14. 14.10% of a number is 40. What is the number?
  15. 15.20% of a number is 13. What is the number?
  16. 16.5% of a number is 5. What is the number?
  17. 17.Meera spent ₹68, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.114 is 60% of ?
  19. 19.Riya spent ₹48, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.2 is 10% of ?
  21. 21.Meera spent ₹92, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.10 is 40% of ?
  23. 23.Kabir spent ₹27, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.21 is 25% of ?
  25. 25.12% of a number is 36. What is the number?
  26. 26.10% of a number is 17. What is the number?
  27. 27.22 is 25% of ?
  28. 28.5% of a number is 3. What is the number?
  29. 29.30% of a number is 51. What is the number?
  30. 30.19 is 10% of ?
  31. 31.15% of a number is 39. What is the number?
  32. 32.60 is 75% of ?
  33. 33.25% of a number is 68. What is the number?
  34. 34.77 is 25% of ?
  35. 35.Riya spent ₹144, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.174 is 60% of ?
  37. 37.Riya spent ₹3, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.10% of a number is 20. What is the number?
  39. 39.304 is 80% of ?
  40. 40.Arjun spent ₹5, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 34
  2. 132
  3. 115
  4. 180
  5. 200
  6. 280
  7. 20
  8. 210
  9. 12
  10. 135
  11. 45
  12. 152
  13. 188
  14. 400
  15. 65
  16. 100
  17. 340
  18. 190
  19. 60
  20. 20
  21. 230
  22. 25
  23. 36
  24. 84
  25. 300
  26. 170
  27. 88
  28. 60
  29. 170
  30. 190
  31. 260
  32. 80
  33. 272
  34. 308
  35. 360
  36. 290
  37. 15
  38. 200
  39. 380
  40. 100

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