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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 480 · 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. 1.19 is 10% of ?
  2. 2.50 is 40% of ?
  3. 3.25% of a number is 26. What is the number?
  4. 4.75% of a number is 63. What is the number?
  5. 5.30% of a number is 15. What is the number?
  6. 6.Meera spent ₹75, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.Kabir spent ₹12, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.20% of a number is 79. What is the number?
  9. 9.51 is 30% of ?
  10. 10.5% of a number is 2. What is the number?
  11. 11.75% of a number is 102. What is the number?
  12. 12.20% of a number is 2. What is the number?
  13. 13.10% of a number is 28. What is the number?
  14. 14.228 is 60% of ?
  15. 15.12% of a number is 6. What is the number?
  16. 16.Rohan spent ₹3, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.Ishaan spent ₹256, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  18. 18.12 is 40% of ?
  19. 19.Arjun spent ₹61, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.Riya spent ₹256, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.45 is 12% of ?
  22. 22.30% of a number is 12. What is the number?
  23. 23.20% of a number is 31. What is the number?
  24. 24.25% of a number is 69. What is the number?
  25. 25.Dev spent ₹12, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.Ishaan spent ₹7, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.Diya spent ₹12, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  28. 28.75% of a number is 75. What is the number?
  29. 29.18 is 10% of ?
  30. 30.40% of a number is 26. What is the number?
  31. 31.5% of a number is 3. What is the number?
  32. 32.40% of a number is 86. What is the number?
  33. 33.75% of a number is 78. What is the number?
  34. 34.20% of a number is 25. What is the number?
  35. 35.12% of a number is 42. What is the number?
  36. 36.57 is 15% of ?
  37. 37.Sara spent ₹24, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.Anaya spent ₹33, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.Ishaan spent ₹2, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.Riya spent ₹26, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 190
  2. 125
  3. 104
  4. 84
  5. 50
  6. 125
  7. 40
  8. 395
  9. 170
  10. 40
  11. 136
  12. 10
  13. 280
  14. 380
  15. 50
  16. 10
  17. 320
  18. 30
  19. 122
  20. 320
  21. 375
  22. 40
  23. 155
  24. 276
  25. 100
  26. 140
  27. 20
  28. 100
  29. 180
  30. 65
  31. 60
  32. 215
  33. 104
  34. 125
  35. 350
  36. 380
  37. 200
  38. 275
  39. 40
  40. 260

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