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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 345 · 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. 1.15% of a number is 27. What is the number?
  2. 2.75% of a number is 174. What is the number?
  3. 3.50% of a number is 66. What is the number?
  4. 4.Isha spent ₹18, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.24 is 60% of ?
  6. 6.Ishaan spent ₹27, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.Isha spent ₹15, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.27 is 12% of ?
  9. 9.12% of a number is 15. What is the number?
  10. 10.64 is 40% of ?
  11. 11.146 is 50% of ?
  12. 12.Diya spent ₹234, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.Rohan spent ₹14, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.12% of a number is 48. What is the number?
  15. 15.20% of a number is 44. What is the number?
  16. 16.90 is 30% of ?
  17. 17.39 is 60% of ?
  18. 18.Diya spent ₹112, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.50% of a number is 37. What is the number?
  20. 20.40% of a number is 76. What is the number?
  21. 21.5% of a number is 20. What is the number?
  22. 22.Aarav spent ₹32, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.41 is 20% of ?
  24. 24.60% of a number is 180. What is the number?
  25. 25.40% of a number is 158. What is the number?
  26. 26.280 is 80% of ?
  27. 27.Riya spent ₹3, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.Isha spent ₹64, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.28 is 80% of ?
  30. 30.Dev spent ₹40, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.Anaya spent ₹28, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.10% of a number is 12. What is the number?
  33. 33.248 is 80% of ?
  34. 34.36 is 60% of ?
  35. 35.Arjun spent ₹49, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.Riya spent ₹4, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.5% of a number is 13. What is the number?
  38. 38.Riya spent ₹128, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.93 is 60% of ?
  40. 40.50% of a number is 196. What is the number?

Answer key

  1. 180
  2. 232
  3. 132
  4. 45
  5. 40
  6. 225
  7. 60
  8. 225
  9. 125
  10. 160
  11. 292
  12. 390
  13. 56
  14. 400
  15. 220
  16. 300
  17. 65
  18. 140
  19. 74
  20. 190
  21. 400
  22. 80
  23. 205
  24. 300
  25. 395
  26. 350
  27. 5
  28. 80
  29. 35
  30. 100
  31. 70
  32. 120
  33. 310
  34. 60
  35. 196
  36. 10
  37. 260
  38. 160
  39. 155
  40. 392

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