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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 322 · 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. 1.12% of a number is 21. What is the number?
  2. 2.Meera spent ₹2, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.19 is 5% of ?
  4. 4.30 is 12% of ?
  5. 5.Riya spent ₹15, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.Isha spent ₹5, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.Aarav spent ₹4, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.10% of a number is 36. What is the number?
  9. 9.Ishaan spent ₹45, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.25% of a number is 49. What is the number?
  11. 11.Arjun spent ₹8, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.50% of a number is 198. What is the number?
  13. 13.Riya spent ₹120, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.Aarav spent ₹66, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.8 is 5% of ?
  16. 16.40% of a number is 98. What is the number?
  17. 17.Anaya spent ₹68, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.Rohan spent ₹6, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.40% of a number is 104. What is the number?
  20. 20.6 is 12% of ?
  21. 21.Rohan spent ₹18, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.Rohan spent ₹84, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.15% of a number is 30. What is the number?
  24. 24.9 is 15% of ?
  25. 25.80% of a number is 268. What is the number?
  26. 26.39 is 12% of ?
  27. 27.52 is 40% of ?
  28. 28.228 is 80% of ?
  29. 29.14 is 50% of ?
  30. 30.15 is 20% of ?
  31. 31.162 is 75% of ?
  32. 32.24 is 15% of ?
  33. 33.10% of a number is 35. What is the number?
  34. 34.10% of a number is 20. What is the number?
  35. 35.10% of a number is 38. What is the number?
  36. 36.22 is 20% of ?
  37. 37.Arjun spent ₹80, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.320 is 80% of ?
  39. 39.Isha spent ₹113, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.50% of a number is 66. What is the number?

Answer key

  1. 175
  2. 40
  3. 380
  4. 250
  5. 125
  6. 50
  7. 40
  8. 360
  9. 300
  10. 196
  11. 40
  12. 396
  13. 240
  14. 110
  15. 160
  16. 245
  17. 85
  18. 10
  19. 260
  20. 50
  21. 360
  22. 280
  23. 200
  24. 60
  25. 335
  26. 325
  27. 130
  28. 285
  29. 28
  30. 75
  31. 216
  32. 160
  33. 350
  34. 200
  35. 380
  36. 110
  37. 400
  38. 400
  39. 226
  40. 132

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