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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 747 · 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. 1.75% of a number is 66. What is the number?
  2. 2.75% of a number is 60. What is the number?
  3. 3.Ishaan spent ₹53, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.36 is 15% of ?
  5. 5.134 is 50% of ?
  6. 6.10% of a number is 35. What is the number?
  7. 7.40% of a number is 2. What is the number?
  8. 8.20% of a number is 12. What is the number?
  9. 9.11 is 20% of ?
  10. 10.20% of a number is 1. What is the number?
  11. 11.Riya spent ₹24, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.50% of a number is 84. What is the number?
  13. 13.21 is 15% of ?
  14. 14.237 is 75% of ?
  15. 15.Arjun spent ₹39, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.72 is 60% of ?
  17. 17.32 is 10% of ?
  18. 18.60% of a number is 84. What is the number?
  19. 19.36 is 40% of ?
  20. 20.102 is 40% of ?
  21. 21.15% of a number is 6. What is the number?
  22. 22.15% of a number is 9. What is the number?
  23. 23.Diya spent ₹3, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.5% of a number is 15. What is the number?
  25. 25.Diya spent ₹5, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.Aarav spent ₹112, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.Riya spent ₹15, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.60% of a number is 51. What is the number?
  29. 29.5% of a number is 3. What is the number?
  30. 30.50% of a number is 139. What is the number?
  31. 31.132 is 40% of ?
  32. 32.Kabir spent ₹18, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.20% of a number is 2. What is the number?
  34. 34.40% of a number is 60. What is the number?
  35. 35.50% of a number is 18. What is the number?
  36. 36.Ishaan spent ₹136, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.Kabir spent ₹2, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.11 is 5% of ?
  39. 39.33 is 12% of ?
  40. 40.Ishaan spent ₹56, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 88
  2. 80
  3. 212
  4. 240
  5. 268
  6. 350
  7. 5
  8. 60
  9. 55
  10. 5
  11. 160
  12. 168
  13. 140
  14. 316
  15. 130
  16. 120
  17. 320
  18. 140
  19. 90
  20. 255
  21. 40
  22. 60
  23. 12
  24. 300
  25. 100
  26. 280
  27. 100
  28. 85
  29. 60
  30. 278
  31. 330
  32. 360
  33. 10
  34. 150
  35. 36
  36. 272
  37. 40
  38. 220
  39. 275
  40. 224

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