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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 461 · 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. 1.20% of a number is 14. What is the number?
  2. 2.Dev spent ₹30, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.171 is 60% of ?
  4. 4.186 is 60% of ?
  5. 5.39 is 10% of ?
  6. 6.12% of a number is 24. What is the number?
  7. 7.30% of a number is 108. What is the number?
  8. 8.10% of a number is 26. What is the number?
  9. 9.10% of a number is 30. What is the number?
  10. 10.Sara spent ₹104, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.Arjun spent ₹153, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.30% of a number is 24. What is the number?
  13. 13.15% of a number is 12. What is the number?
  14. 14.60% of a number is 72. What is the number?
  15. 15.Ishaan spent ₹66, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  16. 16.10% of a number is 27. What is the number?
  17. 17.80% of a number is 136. What is the number?
  18. 18.Arjun spent ₹6, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.10% of a number is 28. What is the number?
  20. 20.Aarav spent ₹30, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.40% of a number is 84. What is the number?
  22. 22.Ishaan spent ₹92, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.10% of a number is 12. What is the number?
  24. 24.15% of a number is 60. What is the number?
  25. 25.Riya spent ₹10, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.236 is 80% of ?
  27. 27.20% of a number is 78. What is the number?
  28. 28.Dev spent ₹152, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.33 is 15% of ?
  30. 30.25% of a number is 97. What is the number?
  31. 31.25% of a number is 20. What is the number?
  32. 32.Riya spent ₹8, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.Dev spent ₹13, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.Sara spent ₹7, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.10% of a number is 13. What is the number?
  36. 36.39 is 12% of ?
  37. 37.69 is 75% of ?
  38. 38.Meera spent ₹231, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.5% of a number is 18. What is the number?
  40. 40.Aarav spent ₹308, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 70
  2. 50
  3. 285
  4. 310
  5. 390
  6. 200
  7. 360
  8. 260
  9. 300
  10. 260
  11. 255
  12. 80
  13. 80
  14. 120
  15. 132
  16. 270
  17. 170
  18. 50
  19. 280
  20. 150
  21. 210
  22. 230
  23. 120
  24. 400
  25. 50
  26. 295
  27. 390
  28. 380
  29. 220
  30. 388
  31. 80
  32. 80
  33. 130
  34. 140
  35. 130
  36. 325
  37. 92
  38. 308
  39. 360
  40. 385

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