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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 820 · 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. 1.20% of a number is 43. What is the number?
  2. 2.177 is 50% of ?
  3. 3.Ishaan spent ₹2, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.91 is 25% of ?
  5. 5.15% of a number is 30. What is the number?
  6. 6.40% of a number is 22. What is the number?
  7. 7.Isha spent ₹66, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.Ishaan spent ₹192, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.19 is 5% of ?
  10. 10.Ishaan spent ₹10, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.162 is 60% of ?
  12. 12.30% of a number is 24. What is the number?
  13. 13.10% of a number is 9. What is the number?
  14. 14.Rohan spent ₹6, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.10% of a number is 4. What is the number?
  16. 16.75% of a number is 117. What is the number?
  17. 17.138 is 60% of ?
  18. 18.Anaya spent ₹60, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.60% of a number is 192. What is the number?
  20. 20.Isha spent ₹36, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.40% of a number is 42. What is the number?
  22. 22.44 is 40% of ?
  23. 23.25 is 25% of ?
  24. 24.80% of a number is 256. What is the number?
  25. 25.Kabir spent ₹195, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.32 is 20% of ?
  27. 27.10% of a number is 35. What is the number?
  28. 28.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.Meera spent ₹144, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.231 is 60% of ?
  31. 31.Riya spent ₹12, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.33 is 15% of ?
  33. 33.Rohan spent ₹210, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.5% of a number is 18. What is the number?
  35. 35.12% of a number is 30. What is the number?
  36. 36.10% of a number is 39. What is the number?
  37. 37.Dev spent ₹154, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.42 is 15% of ?
  39. 39.Aarav spent ₹126, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.110 is 50% of ?

Answer key

  1. 215
  2. 354
  3. 40
  4. 364
  5. 200
  6. 55
  7. 220
  8. 240
  9. 380
  10. 100
  11. 270
  12. 80
  13. 90
  14. 20
  15. 40
  16. 156
  17. 230
  18. 200
  19. 320
  20. 120
  21. 105
  22. 110
  23. 100
  24. 320
  25. 390
  26. 160
  27. 350
  28. 150
  29. 240
  30. 385
  31. 100
  32. 220
  33. 280
  34. 360
  35. 250
  36. 390
  37. 308
  38. 280
  39. 168
  40. 220

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