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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 907 · 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. 1.9 is 30% of ?
  2. 2.Kabir spent ₹160, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Isha spent ₹72, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  4. 4.15% of a number is 3. What is the number?
  5. 5.Rohan spent ₹21, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.50% of a number is 69. What is the number?
  7. 7.15 is 5% of ?
  8. 8.21 is 12% of ?
  9. 9.Arjun spent ₹3, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.Rohan spent ₹3, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.Kabir spent ₹15, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.8 is 5% of ?
  13. 13.10% of a number is 7. What is the number?
  14. 14.Riya spent ₹112, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.50% of a number is 108. What is the number?
  16. 16.10 is 5% of ?
  17. 17.50% of a number is 80. What is the number?
  18. 18.30% of a number is 84. What is the number?
  19. 19.12% of a number is 3. What is the number?
  20. 20.14 is 20% of ?
  21. 21.25% of a number is 23. What is the number?
  22. 22.26 is 10% of ?
  23. 23.25% of a number is 65. What is the number?
  24. 24.Diya spent ₹33, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.49 is 20% of ?
  26. 26.183 is 60% of ?
  27. 27.40% of a number is 44. What is the number?
  28. 28.10% of a number is 35. What is the number?
  29. 29.12% of a number is 9. What is the number?
  30. 30.30% of a number is 42. What is the number?
  31. 31.Sara spent ₹8, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.80% of a number is 84. What is the number?
  33. 33.Kabir spent ₹25, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.22 is 10% of ?
  35. 35.Riya spent ₹30, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.Isha spent ₹138, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.20% of a number is 75. What is the number?
  38. 38.207 is 60% of ?
  39. 39.22 is 25% of ?
  40. 40.Meera spent ₹132, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 30
  2. 200
  3. 90
  4. 20
  5. 70
  6. 138
  7. 300
  8. 175
  9. 25
  10. 10
  11. 150
  12. 160
  13. 70
  14. 280
  15. 216
  16. 200
  17. 160
  18. 280
  19. 25
  20. 70
  21. 92
  22. 260
  23. 260
  24. 132
  25. 245
  26. 305
  27. 110
  28. 350
  29. 75
  30. 140
  31. 80
  32. 105
  33. 250
  34. 220
  35. 50
  36. 276
  37. 375
  38. 345
  39. 88
  40. 330

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