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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 333 · 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.Riya spent ₹72, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.294 is 75% of ?
  3. 3.Riya spent ₹100, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.20% of a number is 61. What is the number?
  5. 5.Anaya spent ₹184, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  6. 6.Rohan spent ₹199, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.20% of a number is 15. What is the number?
  8. 8.15% of a number is 30. What is the number?
  9. 9.25% of a number is 77. What is the number?
  10. 10.110 is 50% of ?
  11. 11.29 is 10% of ?
  12. 12.Anaya spent ₹9, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.60% of a number is 48. What is the number?
  14. 14.20% of a number is 73. What is the number?
  15. 15.144 is 40% of ?
  16. 16.Aarav spent ₹32, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.40% of a number is 122. What is the number?
  18. 18.10% of a number is 14. What is the number?
  19. 19.17 is 25% of ?
  20. 20.20% of a number is 4. What is the number?
  21. 21.30% of a number is 72. What is the number?
  22. 22.Rohan spent ₹42, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.12% of a number is 3. What is the number?
  24. 24.10% of a number is 12. What is the number?
  25. 25.80% of a number is 288. What is the number?
  26. 26.25 is 20% of ?
  27. 27.86 is 40% of ?
  28. 28.Arjun spent ₹1, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.Arjun spent ₹34, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  30. 30.48 is 15% of ?
  31. 31.63 is 30% of ?
  32. 32.15% of a number is 18. What is the number?
  33. 33.25% of a number is 2. What is the number?
  34. 34.Riya spent ₹2, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.Meera spent ₹45, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.25% of a number is 36. What is the number?
  37. 37.Isha spent ₹18, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.Arjun spent ₹28, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.Anaya spent ₹7, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.83 is 25% of ?

Answer key

  1. 360
  2. 392
  3. 400
  4. 305
  5. 368
  6. 398
  7. 75
  8. 200
  9. 308
  10. 220
  11. 290
  12. 180
  13. 80
  14. 365
  15. 360
  16. 320
  17. 305
  18. 140
  19. 68
  20. 20
  21. 240
  22. 210
  23. 25
  24. 120
  25. 360
  26. 125
  27. 215
  28. 10
  29. 170
  30. 320
  31. 210
  32. 120
  33. 8
  34. 40
  35. 300
  36. 144
  37. 72
  38. 140
  39. 140
  40. 332

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