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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 326 · 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. 1.30% of a number is 9. What is the number?
  2. 2.15% of a number is 15. What is the number?
  3. 3.Riya spent ₹27, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.60% of a number is 60. What is the number?
  5. 5.Riya spent ₹36, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.30 is 10% of ?
  7. 7.10 is 10% of ?
  8. 8.5% of a number is 18. What is the number?
  9. 9.39 is 50% of ?
  10. 10.12% of a number is 21. What is the number?
  11. 11.Rohan spent ₹284, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.9 is 5% of ?
  13. 13.Anaya spent ₹46, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.5% of a number is 11. What is the number?
  15. 15.5 is 25% of ?
  16. 16.Dev spent ₹6, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.80% of a number is 100. What is the number?
  18. 18.25% of a number is 75. What is the number?
  19. 19.41 is 20% of ?
  20. 20.Dev spent ₹9, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.Anaya spent ₹57, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.40% of a number is 44. What is the number?
  23. 23.Anaya spent ₹37, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.Kabir spent ₹63, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.20% of a number is 10. What is the number?
  26. 26.Dev spent ₹90, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.Sara spent ₹6, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  28. 28.24 is 12% of ?
  29. 29.114 is 30% of ?
  30. 30.80% of a number is 204. What is the number?
  31. 31.Sara spent ₹45, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.9 is 20% of ?
  33. 33.Arjun spent ₹36, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.Ishaan spent ₹154, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.Dev spent ₹77, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.120 is 80% of ?
  37. 37.Aarav spent ₹99, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.Rohan spent ₹36, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.25% of a number is 99. What is the number?
  40. 40.28 is 40% of ?

Answer key

  1. 30
  2. 100
  3. 180
  4. 100
  5. 72
  6. 300
  7. 100
  8. 360
  9. 78
  10. 175
  11. 355
  12. 180
  13. 184
  14. 220
  15. 20
  16. 60
  17. 125
  18. 300
  19. 205
  20. 30
  21. 76
  22. 110
  23. 370
  24. 105
  25. 50
  26. 120
  27. 60
  28. 200
  29. 380
  30. 255
  31. 375
  32. 45
  33. 360
  34. 308
  35. 385
  36. 150
  37. 165
  38. 360
  39. 396
  40. 70

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