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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 855 · 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. 1.40% of a number is 60. What is the number?
  2. 2.10% of a number is 8. What is the number?
  3. 3.30% of a number is 18. What is the number?
  4. 4.25% of a number is 74. What is the number?
  5. 5.36 is 60% of ?
  6. 6.45 is 15% of ?
  7. 7.50% of a number is 17. What is the number?
  8. 8.134 is 40% of ?
  9. 9.120 is 30% of ?
  10. 10.72 is 30% of ?
  11. 11.5% of a number is 10. What is the number?
  12. 12.60% of a number is 216. What is the number?
  13. 13.Riya spent ₹40, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.50% of a number is 154. What is the number?
  15. 15.Kabir spent ₹6, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.12% of a number is 36. What is the number?
  17. 17.Meera spent ₹90, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Dev spent ₹12, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.25% of a number is 57. What is the number?
  20. 20.Dev spent ₹48, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.16 is 20% of ?
  22. 22.50% of a number is 26. What is the number?
  23. 23.87 is 30% of ?
  24. 24.Meera spent ₹102, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.56 is 40% of ?
  26. 26.66 is 20% of ?
  27. 27.50% of a number is 195. What is the number?
  28. 28.Isha spent ₹15, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.75% of a number is 114. What is the number?
  30. 30.Aarav spent ₹52, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.50% of a number is 120. What is the number?
  32. 32.10% of a number is 4. What is the number?
  33. 33.37 is 10% of ?
  34. 34.4 is 5% of ?
  35. 35.Dev spent ₹69, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.30% of a number is 78. What is the number?
  37. 37.7 is 10% of ?
  38. 38.92 is 40% of ?
  39. 39.Sara spent ₹144, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.10% of a number is 10. What is the number?

Answer key

  1. 150
  2. 80
  3. 60
  4. 296
  5. 60
  6. 300
  7. 34
  8. 335
  9. 400
  10. 240
  11. 200
  12. 360
  13. 160
  14. 308
  15. 8
  16. 300
  17. 360
  18. 60
  19. 228
  20. 80
  21. 80
  22. 52
  23. 290
  24. 255
  25. 140
  26. 330
  27. 390
  28. 100
  29. 152
  30. 104
  31. 240
  32. 40
  33. 370
  34. 80
  35. 230
  36. 260
  37. 70
  38. 230
  39. 360
  40. 100

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