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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 744 · 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. 1.5% of a number is 18. What is the number?
  2. 2.Aarav spent ₹64, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.12% of a number is 48. What is the number?
  4. 4.20% of a number is 28. What is the number?
  5. 5.102 is 75% of ?
  6. 6.Meera spent ₹192, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.Dev spent ₹6, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.20% of a number is 55. What is the number?
  9. 9.54 is 30% of ?
  10. 10.30% of a number is 75. What is the number?
  11. 11.78 is 75% of ?
  12. 12.Aarav spent ₹6, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.Kabir spent ₹84, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.30% of a number is 21. What is the number?
  15. 15.60% of a number is 96. What is the number?
  16. 16.96 is 60% of ?
  17. 17.45 is 15% of ?
  18. 18.Sara spent ₹5, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.36 is 75% of ?
  20. 20.Riya spent ₹81, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.12 is 30% of ?
  22. 22.78 is 25% of ?
  23. 23.25% of a number is 36. What is the number?
  24. 24.Kabir spent ₹3, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.Dev spent ₹27, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.34 is 25% of ?
  27. 27.30% of a number is 102. What is the number?
  28. 28.Sara spent ₹169, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.5% of a number is 11. What is the number?
  30. 30.20% of a number is 8. What is the number?
  31. 31.50 is 20% of ?
  32. 32.Dev spent ₹80, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.5 is 5% of ?
  34. 34.Ishaan spent ₹201, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.Riya spent ₹8, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.88 is 40% of ?
  37. 37.13 is 5% of ?
  38. 38.Dev spent ₹244, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.10% of a number is 16. What is the number?
  40. 40.Isha spent ₹27, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 360
  2. 160
  3. 400
  4. 140
  5. 136
  6. 320
  7. 50
  8. 275
  9. 180
  10. 250
  11. 104
  12. 120
  13. 210
  14. 70
  15. 160
  16. 160
  17. 300
  18. 50
  19. 48
  20. 324
  21. 40
  22. 312
  23. 144
  24. 4
  25. 135
  26. 136
  27. 340
  28. 338
  29. 220
  30. 40
  31. 250
  32. 100
  33. 100
  34. 335
  35. 20
  36. 220
  37. 260
  38. 305
  39. 160
  40. 54

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