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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 568 · 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. 1.40% of a number is 128. What is the number?
  2. 2.Arjun spent ₹216, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.Rohan spent ₹9, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.Aarav spent ₹14, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.Meera spent ₹15, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.20% of a number is 77. What is the number?
  7. 7.20% of a number is 44. What is the number?
  8. 8.8 is 10% of ?
  9. 9.25% of a number is 40. What is the number?
  10. 10.136 is 40% of ?
  11. 11.76 is 80% of ?
  12. 12.6 is 12% of ?
  13. 13.Kabir spent ₹9, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.50% of a number is 108. What is the number?
  15. 15.Arjun spent ₹48, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.28 is 25% of ?
  17. 17.15% of a number is 57. What is the number?
  18. 18.Aarav spent ₹79, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.Kabir spent ₹33, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  20. 20.51 is 30% of ?
  21. 21.16 is 40% of ?
  22. 22.Kabir spent ₹34, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.40% of a number is 144. What is the number?
  24. 24.Riya spent ₹33, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.9 is 15% of ?
  26. 26.Arjun spent ₹198, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.50% of a number is 194. What is the number?
  28. 28.Meera spent ₹22, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.Meera spent ₹54, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.10% of a number is 21. What is the number?
  31. 31.Rohan spent ₹57, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  32. 32.20% of a number is 70. What is the number?
  33. 33.24 is 12% of ?
  34. 34.Sara spent ₹149, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.12 is 30% of ?
  36. 36.Meera spent ₹56, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.Arjun spent ₹128, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.30% of a number is 30. What is the number?
  39. 39.25% of a number is 21. What is the number?
  40. 40.67 is 20% of ?

Answer key

  1. 320
  2. 288
  3. 60
  4. 35
  5. 150
  6. 385
  7. 220
  8. 80
  9. 160
  10. 340
  11. 95
  12. 50
  13. 60
  14. 216
  15. 160
  16. 112
  17. 380
  18. 158
  19. 110
  20. 170
  21. 40
  22. 85
  23. 360
  24. 110
  25. 60
  26. 330
  27. 388
  28. 110
  29. 180
  30. 210
  31. 190
  32. 350
  33. 200
  34. 298
  35. 40
  36. 280
  37. 160
  38. 100
  39. 84
  40. 335

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