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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 999 · 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.Arjun spent ₹122, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.Aarav spent ₹55, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.48 is 30% of ?
  4. 4.9 is 10% of ?
  5. 5.Arjun spent ₹78, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.Ishaan spent ₹69, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.Riya spent ₹12, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.10% of a number is 23. What is the number?
  9. 9.30% of a number is 87. What is the number?
  10. 10.32 is 40% of ?
  11. 11.Aarav spent ₹225, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.15% of a number is 51. What is the number?
  13. 13.36 is 20% of ?
  14. 14.Kabir spent ₹12, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.51 is 15% of ?
  16. 16.80% of a number is 264. What is the number?
  17. 17.5% of a number is 18. What is the number?
  18. 18.49 is 25% of ?
  19. 19.60% of a number is 90. What is the number?
  20. 20.76 is 40% of ?
  21. 21.Meera spent ₹256, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.1 is 5% of ?
  23. 23.Sara spent ₹27, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.50% of a number is 89. What is the number?
  25. 25.12% of a number is 6. What is the number?
  26. 26.106 is 40% of ?
  27. 27.Meera spent ₹5, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.Dev spent ₹90, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.189 is 60% of ?
  30. 30.60 is 15% of ?
  31. 31.Aarav spent ₹21, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.5% of a number is 5. What is the number?
  33. 33.25% of a number is 45. What is the number?
  34. 34.25% of a number is 70. What is the number?
  35. 35.Isha spent ₹10, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.39 is 10% of ?
  37. 37.Aarav spent ₹65, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.6 is 5% of ?
  39. 39.Isha spent ₹96, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.Sara spent ₹51, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 305
  2. 220
  3. 160
  4. 90
  5. 130
  6. 230
  7. 20
  8. 230
  9. 290
  10. 80
  11. 300
  12. 340
  13. 180
  14. 80
  15. 340
  16. 330
  17. 360
  18. 196
  19. 150
  20. 190
  21. 320
  22. 20
  23. 90
  24. 178
  25. 50
  26. 265
  27. 50
  28. 300
  29. 315
  30. 400
  31. 140
  32. 100
  33. 180
  34. 280
  35. 100
  36. 390
  37. 325
  38. 120
  39. 128
  40. 340

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