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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 758 · 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. 1.50 is 50% of ?
  2. 2.Dev spent ₹27, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.50% of a number is 134. What is the number?
  4. 4.210 is 60% of ?
  5. 5.44 is 40% of ?
  6. 6.78 is 75% of ?
  7. 7.10 is 5% of ?
  8. 8.50% of a number is 88. What is the number?
  9. 9.Aarav spent ₹232, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.30% of a number is 84. What is the number?
  11. 11.24 is 15% of ?
  12. 12.75% of a number is 252. What is the number?
  13. 13.Rohan spent ₹120, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.10% of a number is 13. What is the number?
  15. 15.Diya spent ₹20, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.30 is 15% of ?
  17. 17.20% of a number is 43. What is the number?
  18. 18.Isha spent ₹21, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.60% of a number is 165. What is the number?
  20. 20.38 is 10% of ?
  21. 21.40% of a number is 40. What is the number?
  22. 22.Ishaan spent ₹39, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Aarav spent ₹72, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.Aarav spent ₹18, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.Meera spent ₹12, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.312 is 80% of ?
  27. 27.25 is 20% of ?
  28. 28.Riya spent ₹35, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.15% of a number is 54. What is the number?
  30. 30.60% of a number is 123. What is the number?
  31. 31.Sara spent ₹10, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.75% of a number is 102. What is the number?
  33. 33.Rohan spent ₹142, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.Ishaan spent ₹5, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.Sara spent ₹8, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.27 is 15% of ?
  37. 37.40% of a number is 136. What is the number?
  38. 38.Isha spent ₹9, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.63 is 20% of ?
  40. 40.20% of a number is 35. What is the number?

Answer key

  1. 100
  2. 135
  3. 268
  4. 350
  5. 110
  6. 104
  7. 200
  8. 176
  9. 290
  10. 280
  11. 160
  12. 336
  13. 400
  14. 130
  15. 50
  16. 200
  17. 215
  18. 175
  19. 275
  20. 380
  21. 100
  22. 325
  23. 288
  24. 120
  25. 80
  26. 390
  27. 125
  28. 175
  29. 360
  30. 205
  31. 200
  32. 136
  33. 355
  34. 25
  35. 20
  36. 180
  37. 340
  38. 12
  39. 315
  40. 175

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