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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 410 · 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. 1.78 is 75% of ?
  2. 2.Riya spent ₹9, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.25% of a number is 77. What is the number?
  4. 4.5% of a number is 9. What is the number?
  5. 5.50% of a number is 77. What is the number?
  6. 6.Dev spent ₹123, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.10% of a number is 34. What is the number?
  8. 8.25% of a number is 23. What is the number?
  9. 9.120 is 30% of ?
  10. 10.Aarav spent ₹34, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.5% of a number is 15. What is the number?
  12. 12.Isha spent ₹73, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.75% of a number is 36. What is the number?
  14. 14.60% of a number is 90. What is the number?
  15. 15.20 is 10% of ?
  16. 16.Kabir spent ₹27, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.80% of a number is 88. What is the number?
  18. 18.36 is 75% of ?
  19. 19.4 is 5% of ?
  20. 20.15% of a number is 24. What is the number?
  21. 21.Meera spent ₹12, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.Arjun spent ₹260, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.5% of a number is 3. What is the number?
  24. 24.6 is 30% of ?
  25. 25.119 is 50% of ?
  26. 26.60% of a number is 195. What is the number?
  27. 27.40% of a number is 82. What is the number?
  28. 28.15% of a number is 39. What is the number?
  29. 29.25% of a number is 65. What is the number?
  30. 30.1 is 25% of ?
  31. 31.87 is 50% of ?
  32. 32.Isha spent ₹30, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.20% of a number is 17. What is the number?
  34. 34.Dev spent ₹273, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  35. 35.30 is 20% of ?
  36. 36.30% of a number is 48. What is the number?
  37. 37.12% of a number is 9. What is the number?
  38. 38.Meera spent ₹27, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.Rohan spent ₹15, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  40. 40.Ishaan spent ₹8, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 104
  2. 18
  3. 308
  4. 180
  5. 154
  6. 205
  7. 340
  8. 92
  9. 400
  10. 85
  11. 300
  12. 365
  13. 48
  14. 150
  15. 200
  16. 36
  17. 110
  18. 48
  19. 80
  20. 160
  21. 48
  22. 325
  23. 60
  24. 20
  25. 238
  26. 325
  27. 205
  28. 260
  29. 260
  30. 4
  31. 174
  32. 100
  33. 85
  34. 364
  35. 150
  36. 160
  37. 75
  38. 270
  39. 25
  40. 80

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