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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 212 · 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.Arjun spent ₹56, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.Dev spent ₹80, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.Arjun spent ₹5, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.193 is 50% of ?
  5. 5.60% of a number is 183. What is the number?
  6. 6.42 is 15% of ?
  7. 7.84 is 80% of ?
  8. 8.Riya spent ₹186, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.Ishaan spent ₹165, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.Dev spent ₹39, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  11. 11.Sara spent ₹27, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.31 is 10% of ?
  13. 13.20% of a number is 46. What is the number?
  14. 14.Sara spent ₹17, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.12 is 20% of ?
  16. 16.80% of a number is 84. What is the number?
  17. 17.96 is 60% of ?
  18. 18.Diya spent ₹8, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.Kabir spent ₹12, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  20. 20.Meera spent ₹2, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.75% of a number is 99. What is the number?
  22. 22.10% of a number is 21. What is the number?
  23. 23.15% of a number is 42. What is the number?
  24. 24.Riya spent ₹54, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.12 is 12% of ?
  26. 26.40% of a number is 76. What is the number?
  27. 27.36 is 15% of ?
  28. 28.84 is 25% of ?
  29. 29.Rohan spent ₹12, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.45 is 20% of ?
  31. 31.15% of a number is 21. What is the number?
  32. 32.50 is 20% of ?
  33. 33.Ishaan spent ₹4, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.60% of a number is 114. What is the number?
  35. 35.Meera spent ₹3, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.Sara spent ₹30, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.30% of a number is 81. What is the number?
  38. 38.12 is 15% of ?
  39. 39.23 is 20% of ?
  40. 40.10% of a number is 20. What is the number?

Answer key

  1. 224
  2. 100
  3. 20
  4. 386
  5. 305
  6. 280
  7. 105
  8. 310
  9. 220
  10. 130
  11. 270
  12. 310
  13. 230
  14. 340
  15. 60
  16. 105
  17. 160
  18. 80
  19. 15
  20. 40
  21. 132
  22. 210
  23. 280
  24. 360
  25. 100
  26. 190
  27. 240
  28. 336
  29. 100
  30. 225
  31. 140
  32. 250
  33. 80
  34. 190
  35. 4
  36. 250
  37. 270
  38. 80
  39. 115
  40. 200

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