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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 22 · 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.Kabir spent ₹124, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  2. 2.81 is 30% of ?
  3. 3.75 is 30% of ?
  4. 4.12% of a number is 15. What is the number?
  5. 5.60% of a number is 195. What is the number?
  6. 6.50% of a number is 69. What is the number?
  7. 7.12% of a number is 12. What is the number?
  8. 8.120 is 80% of ?
  9. 9.Aarav spent ₹6, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.50% of a number is 173. What is the number?
  11. 11.Meera spent ₹1, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.24 is 30% of ?
  13. 13.Anaya spent ₹108, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.12% of a number is 33. What is the number?
  15. 15.Riya spent ₹40, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.96 is 40% of ?
  17. 17.28 is 20% of ?
  18. 18.5% of a number is 7. What is the number?
  19. 19.Aarav spent ₹14, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.9 is 30% of ?
  21. 21.39 is 25% of ?
  22. 22.48 is 75% of ?
  23. 23.1 is 5% of ?
  24. 24.Sara spent ₹240, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.20% of a number is 80. What is the number?
  26. 26.20% of a number is 71. What is the number?
  27. 27.5% of a number is 5. What is the number?
  28. 28.Diya spent ₹142, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.Kabir spent ₹102, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.10% of a number is 25. What is the number?
  31. 31.15% of a number is 51. What is the number?
  32. 32.10% of a number is 6. What is the number?
  33. 33.270 is 75% of ?
  34. 34.12 is 40% of ?
  35. 35.143 is 50% of ?
  36. 36.3 is 12% of ?
  37. 37.4 is 25% of ?
  38. 38.Dev spent ₹40, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.5% of a number is 9. What is the number?
  40. 40.Anaya spent ₹18, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 310
  2. 270
  3. 250
  4. 125
  5. 325
  6. 138
  7. 100
  8. 150
  9. 30
  10. 346
  11. 20
  12. 80
  13. 135
  14. 275
  15. 400
  16. 240
  17. 140
  18. 140
  19. 280
  20. 30
  21. 156
  22. 64
  23. 20
  24. 300
  25. 400
  26. 355
  27. 100
  28. 355
  29. 340
  30. 250
  31. 340
  32. 60
  33. 360
  34. 30
  35. 286
  36. 25
  37. 16
  38. 400
  39. 180
  40. 180

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