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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 759 · 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. 1.24 is 10% of ?
  2. 2.5% of a number is 13. What is the number?
  3. 3.12% of a number is 42. What is the number?
  4. 4.80% of a number is 112. What is the number?
  5. 5.51 is 60% of ?
  6. 6.Aarav spent ₹6, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.30% of a number is 63. What is the number?
  8. 8.71 is 20% of ?
  9. 9.75% of a number is 42. What is the number?
  10. 10.90 is 30% of ?
  11. 11.75% of a number is 156. What is the number?
  12. 12.Arjun spent ₹232, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.Aarav spent ₹57, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.80% of a number is 52. What is the number?
  15. 15.Ishaan spent ₹29, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  16. 16.39 is 15% of ?
  17. 17.45 is 15% of ?
  18. 18.Isha spent ₹57, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.80% of a number is 256. What is the number?
  20. 20.20% of a number is 23. What is the number?
  21. 21.Diya spent ₹4, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.58 is 50% of ?
  23. 23.Sara spent ₹16, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.15 is 15% of ?
  25. 25.20% of a number is 77. What is the number?
  26. 26.60% of a number is 93. What is the number?
  27. 27.10% of a number is 7. What is the number?
  28. 28.37 is 20% of ?
  29. 29.60% of a number is 144. What is the number?
  30. 30.10% of a number is 27. What is the number?
  31. 31.15% of a number is 9. What is the number?
  32. 32.Sara spent ₹85, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.Meera spent ₹3, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  34. 34.10% of a number is 13. What is the number?
  35. 35.Rohan spent ₹24, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.60% of a number is 165. What is the number?
  37. 37.15% of a number is 3. What is the number?
  38. 38.5% of a number is 3. What is the number?
  39. 39.Ishaan spent ₹4, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.24 is 15% of ?

Answer key

  1. 240
  2. 260
  3. 350
  4. 140
  5. 85
  6. 40
  7. 210
  8. 355
  9. 56
  10. 300
  11. 208
  12. 290
  13. 380
  14. 65
  15. 290
  16. 260
  17. 300
  18. 380
  19. 320
  20. 115
  21. 40
  22. 116
  23. 320
  24. 100
  25. 385
  26. 155
  27. 70
  28. 185
  29. 240
  30. 270
  31. 60
  32. 170
  33. 25
  34. 130
  35. 240
  36. 275
  37. 20
  38. 60
  39. 20
  40. 160

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