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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 834 · 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.Meera spent ₹27, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  2. 2.12% of a number is 48. What is the number?
  3. 3.Riya spent ₹105, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.80% of a number is 8. What is the number?
  5. 5.Meera spent ₹30, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Meera spent ₹2, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.60% of a number is 63. What is the number?
  8. 8.50% of a number is 71. What is the number?
  9. 9.14 is 20% of ?
  10. 10.25% of a number is 97. What is the number?
  11. 11.Rohan spent ₹80, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.130 is 40% of ?
  13. 13.40% of a number is 154. What is the number?
  14. 14.Arjun spent ₹54, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.25% of a number is 8. What is the number?
  16. 16.20% of a number is 22. What is the number?
  17. 17.78 is 25% of ?
  18. 18.Riya spent ₹12, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.40% of a number is 16. What is the number?
  20. 20.50% of a number is 133. What is the number?
  21. 21.Rohan spent ₹90, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.Riya spent ₹30, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.20% of a number is 59. What is the number?
  24. 24.21 is 12% of ?
  25. 25.Ishaan spent ₹15, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.Aarav spent ₹9, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.15 is 15% of ?
  28. 28.Arjun spent ₹84, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.Aarav spent ₹91, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.Dev spent ₹22, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.20% of a number is 60. What is the number?
  32. 32.25% of a number is 16. What is the number?
  33. 33.Riya spent ₹5, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.Anaya spent ₹42, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.9 is 12% of ?
  36. 36.80% of a number is 296. What is the number?
  37. 37.21 is 15% of ?
  38. 38.40% of a number is 110. What is the number?
  39. 39.39 is 10% of ?
  40. 40.20% of a number is 65. What is the number?

Answer key

  1. 180
  2. 400
  3. 140
  4. 10
  5. 100
  6. 20
  7. 105
  8. 142
  9. 70
  10. 388
  11. 200
  12. 325
  13. 385
  14. 135
  15. 32
  16. 110
  17. 312
  18. 40
  19. 40
  20. 266
  21. 360
  22. 75
  23. 295
  24. 175
  25. 150
  26. 60
  27. 100
  28. 210
  29. 364
  30. 55
  31. 300
  32. 64
  33. 25
  34. 56
  35. 75
  36. 370
  37. 140
  38. 275
  39. 390
  40. 325

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