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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 38 · 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 ₹16, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.17 is 20% of ?
  3. 3.25% of a number is 8. What is the number?
  4. 4.75% of a number is 6. What is the number?
  5. 5.Kabir spent ₹91, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Rohan spent ₹99, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.Diya spent ₹38, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.108 is 80% of ?
  9. 9.Aarav spent ₹19, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.53 is 20% of ?
  11. 11.68 is 20% of ?
  12. 12.Diya spent ₹72, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.Diya spent ₹158, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.10% of a number is 1. What is the number?
  15. 15.Rohan spent ₹58, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.Arjun spent ₹77, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  17. 17.Meera spent ₹10, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.10% of a number is 38. What is the number?
  19. 19.30% of a number is 45. What is the number?
  20. 20.Aarav spent ₹15, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.10% of a number is 11. What is the number?
  22. 22.9 is 5% of ?
  23. 23.75% of a number is 3. What is the number?
  24. 24.Meera spent ₹14, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.25% of a number is 75. What is the number?
  26. 26.1 is 5% of ?
  27. 27.Dev spent ₹268, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.5% of a number is 3. What is the number?
  29. 29.Rohan spent ₹192, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.Rohan spent ₹3, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.69 is 25% of ?
  32. 32.10% of a number is 32. What is the number?
  33. 33.1 is 50% of ?
  34. 34.14 is 5% of ?
  35. 35.78 is 75% of ?
  36. 36.Diya spent ₹136, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.15% of a number is 21. What is the number?
  38. 38.50% of a number is 82. What is the number?
  39. 39.10% of a number is 22. What is the number?
  40. 40.45 is 12% of ?

Answer key

  1. 320
  2. 85
  3. 32
  4. 8
  5. 182
  6. 330
  7. 152
  8. 135
  9. 190
  10. 265
  11. 340
  12. 96
  13. 316
  14. 10
  15. 290
  16. 308
  17. 200
  18. 380
  19. 150
  20. 75
  21. 110
  22. 180
  23. 4
  24. 140
  25. 300
  26. 20
  27. 335
  28. 60
  29. 256
  30. 60
  31. 276
  32. 320
  33. 2
  34. 280
  35. 104
  36. 272
  37. 140
  38. 164
  39. 220
  40. 375

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