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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 827 · 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.Ishaan spent ₹9, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.1 is 5% of ?
  3. 3.40% of a number is 82. What is the number?
  4. 4.Ishaan spent ₹4, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.15% of a number is 36. What is the number?
  6. 6.25% of a number is 35. What is the number?
  7. 7.Isha spent ₹20, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.Ishaan spent ₹6, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.12% of a number is 12. What is the number?
  10. 10.Rohan spent ₹87, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.80% of a number is 180. What is the number?
  12. 12.90 is 30% of ?
  13. 13.5% of a number is 19. What is the number?
  14. 14.Isha spent ₹3, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Arjun spent ₹12, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.7 is 5% of ?
  17. 17.18 is 12% of ?
  18. 18.34 is 20% of ?
  19. 19.Dev spent ₹36, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.5% of a number is 17. What is the number?
  21. 21.105 is 30% of ?
  22. 22.Ishaan spent ₹177, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.30% of a number is 36. What is the number?
  24. 24.18 is 5% of ?
  25. 25.Dev spent ₹120, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.75% of a number is 141. What is the number?
  27. 27.Riya spent ₹39, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.45 is 20% of ?
  29. 29.60 is 80% of ?
  30. 30.105 is 60% of ?
  31. 31.27 is 15% of ?
  32. 32.51 is 30% of ?
  33. 33.30% of a number is 114. What is the number?
  34. 34.Aarav spent ₹36, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.Kabir spent ₹33, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.40% of a number is 134. What is the number?
  37. 37.14 is 40% of ?
  38. 38.25% of a number is 34. What is the number?
  39. 39.177 is 60% of ?
  40. 40.16 is 40% of ?

Answer key

  1. 75
  2. 20
  3. 205
  4. 16
  5. 240
  6. 140
  7. 50
  8. 40
  9. 100
  10. 290
  11. 225
  12. 300
  13. 380
  14. 60
  15. 15
  16. 140
  17. 150
  18. 170
  19. 48
  20. 340
  21. 350
  22. 354
  23. 120
  24. 360
  25. 150
  26. 188
  27. 195
  28. 225
  29. 75
  30. 175
  31. 180
  32. 170
  33. 380
  34. 60
  35. 220
  36. 335
  37. 35
  38. 136
  39. 295
  40. 40

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