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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 738 · 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. 1.27 is 60% of ?
  2. 2.15% of a number is 54. What is the number?
  3. 3.Arjun spent ₹165, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.79 is 20% of ?
  5. 5.80% of a number is 60. What is the number?
  6. 6.Isha spent ₹10, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.25% of a number is 9. What is the number?
  8. 8.Isha spent ₹54, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.Aarav spent ₹173, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.160 is 80% of ?
  11. 11.5% of a number is 20. What is the number?
  12. 12.Riya spent ₹189, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.Riya spent ₹96, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.20% of a number is 74. What is the number?
  15. 15.38 is 40% of ?
  16. 16.25% of a number is 51. What is the number?
  17. 17.69 is 20% of ?
  18. 18.3 is 12% of ?
  19. 19.Dev spent ₹288, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.15% of a number is 42. What is the number?
  21. 21.Riya spent ₹30, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.5% of a number is 14. What is the number?
  23. 23.40% of a number is 114. What is the number?
  24. 24.Meera spent ₹17, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.40% of a number is 78. What is the number?
  26. 26.174 is 60% of ?
  27. 27.25% of a number is 47. What is the number?
  28. 28.102 is 30% of ?
  29. 29.Ishaan spent ₹60, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.54 is 15% of ?
  31. 31.12% of a number is 36. What is the number?
  32. 32.100 is 80% of ?
  33. 33.45 is 12% of ?
  34. 34.Sara spent ₹59, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.75% of a number is 54. What is the number?
  36. 36.36 is 15% of ?
  37. 37.37 is 10% of ?
  38. 38.60% of a number is 9. What is the number?
  39. 39.50% of a number is 160. What is the number?
  40. 40.15% of a number is 15. What is the number?

Answer key

  1. 45
  2. 360
  3. 275
  4. 395
  5. 75
  6. 200
  7. 36
  8. 270
  9. 346
  10. 200
  11. 400
  12. 315
  13. 128
  14. 370
  15. 95
  16. 204
  17. 345
  18. 25
  19. 360
  20. 280
  21. 300
  22. 280
  23. 285
  24. 170
  25. 195
  26. 290
  27. 188
  28. 340
  29. 400
  30. 360
  31. 300
  32. 125
  33. 375
  34. 295
  35. 72
  36. 240
  37. 370
  38. 15
  39. 320
  40. 100

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