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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 805 · 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. 1.60% of a number is 9. What is the number?
  2. 2.60% of a number is 84. What is the number?
  3. 3.Rohan spent ₹13, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.72 is 75% of ?
  5. 5.40% of a number is 30. What is the number?
  6. 6.15% of a number is 24. What is the number?
  7. 7.80% of a number is 76. What is the number?
  8. 8.20% of a number is 28. What is the number?
  9. 9.Isha spent ₹82, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.8 is 5% of ?
  11. 11.Meera spent ₹267, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.30% of a number is 42. What is the number?
  13. 13.Ishaan spent ₹57, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.35 is 10% of ?
  15. 15.Arjun spent ₹48, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.30 is 12% of ?
  17. 17.25% of a number is 54. What is the number?
  18. 18.136 is 40% of ?
  19. 19.Sara spent ₹120, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.Meera spent ₹99, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.10% of a number is 6. What is the number?
  22. 22.60% of a number is 48. What is the number?
  23. 23.Riya spent ₹12, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.50% of a number is 99. What is the number?
  25. 25.10% of a number is 33. What is the number?
  26. 26.39 is 10% of ?
  27. 27.Arjun spent ₹125, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.50% of a number is 8. What is the number?
  29. 29.50% of a number is 24. What is the number?
  30. 30.50% of a number is 119. What is the number?
  31. 31.10% of a number is 26. What is the number?
  32. 32.40% of a number is 46. What is the number?
  33. 33.Ishaan spent ₹76, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.60% of a number is 18. What is the number?
  35. 35.9 is 10% of ?
  36. 36.45 is 15% of ?
  37. 37.10% of a number is 29. What is the number?
  38. 38.15% of a number is 57. What is the number?
  39. 39.20% of a number is 62. What is the number?
  40. 40.46 is 40% of ?

Answer key

  1. 15
  2. 140
  3. 26
  4. 96
  5. 75
  6. 160
  7. 95
  8. 140
  9. 328
  10. 160
  11. 356
  12. 140
  13. 114
  14. 350
  15. 60
  16. 250
  17. 216
  18. 340
  19. 240
  20. 165
  21. 60
  22. 80
  23. 20
  24. 198
  25. 330
  26. 390
  27. 250
  28. 16
  29. 48
  30. 238
  31. 260
  32. 115
  33. 190
  34. 30
  35. 90
  36. 300
  37. 290
  38. 380
  39. 310
  40. 115

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