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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 785 · 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. 1.75% of a number is 123. What is the number?
  2. 2.75% of a number is 141. What is the number?
  3. 3.23 is 10% of ?
  4. 4.30% of a number is 66. What is the number?
  5. 5.20% of a number is 28. What is the number?
  6. 6.25% of a number is 90. What is the number?
  7. 7.68 is 50% of ?
  8. 8.75% of a number is 69. What is the number?
  9. 9.12% of a number is 6. What is the number?
  10. 10.20% of a number is 78. What is the number?
  11. 11.21 is 12% of ?
  12. 12.48 is 75% of ?
  13. 13.5% of a number is 4. What is the number?
  14. 14.Riya spent ₹27, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.80% of a number is 192. What is the number?
  16. 16.100 is 40% of ?
  17. 17.10% of a number is 3. What is the number?
  18. 18.7 is 10% of ?
  19. 19.12% of a number is 48. What is the number?
  20. 20.31 is 10% of ?
  21. 21.10% of a number is 2. What is the number?
  22. 22.12% of a number is 3. What is the number?
  23. 23.108 is 30% of ?
  24. 24.45 is 12% of ?
  25. 25.25% of a number is 83. What is the number?
  26. 26.45 is 25% of ?
  27. 27.25% of a number is 69. What is the number?
  28. 28.Ishaan spent ₹15, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.16 is 25% of ?
  30. 30.Kabir spent ₹28, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.10% of a number is 11. What is the number?
  32. 32.12% of a number is 12. What is the number?
  33. 33.Dev spent ₹37, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.Arjun spent ₹59, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.Rohan spent ₹45, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Riya spent ₹1, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.Rohan spent ₹16, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.60% of a number is 6. What is the number?
  39. 39.Anaya spent ₹26, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.Meera spent ₹6, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 164
  2. 188
  3. 230
  4. 220
  5. 140
  6. 360
  7. 136
  8. 92
  9. 50
  10. 390
  11. 175
  12. 64
  13. 80
  14. 225
  15. 240
  16. 250
  17. 30
  18. 70
  19. 400
  20. 310
  21. 20
  22. 25
  23. 360
  24. 375
  25. 332
  26. 180
  27. 276
  28. 60
  29. 64
  30. 35
  31. 110
  32. 100
  33. 370
  34. 236
  35. 60
  36. 20
  37. 80
  38. 10
  39. 130
  40. 60

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