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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 239 · 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. 1.264 is 75% of ?
  2. 2.Kabir spent ₹36, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Anaya spent ₹6, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.10% of a number is 22. What is the number?
  5. 5.Sara spent ₹7, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.5% of a number is 7. What is the number?
  7. 7.5% of a number is 2. What is the number?
  8. 8.Arjun spent ₹9, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.30% of a number is 18. What is the number?
  10. 10.60% of a number is 222. What is the number?
  11. 11.219 is 60% of ?
  12. 12.Kabir spent ₹40, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.80% of a number is 36. What is the number?
  14. 14.Dev spent ₹38, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.44 is 50% of ?
  16. 16.147 is 50% of ?
  17. 17.8 is 20% of ?
  18. 18.Aarav spent ₹27, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.Kabir spent ₹3, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  20. 20.70 is 25% of ?
  21. 21.50% of a number is 31. What is the number?
  22. 22.40% of a number is 148. What is the number?
  23. 23.Sara spent ₹42, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.184 is 80% of ?
  25. 25.80% of a number is 8. What is the number?
  26. 26.30% of a number is 102. What is the number?
  27. 27.Arjun spent ₹12, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.Dev spent ₹5, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.Anaya spent ₹80, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.Sara spent ₹171, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.Meera spent ₹81, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.75% of a number is 288. What is the number?
  33. 33.6 is 20% of ?
  34. 34.20% of a number is 79. What is the number?
  35. 35.25% of a number is 96. What is the number?
  36. 36.Anaya spent ₹180, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.9 is 12% of ?
  38. 38.Sara spent ₹237, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Meera spent ₹11, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.75% of a number is 6. What is the number?

Answer key

  1. 352
  2. 240
  3. 60
  4. 220
  5. 70
  6. 140
  7. 40
  8. 180
  9. 60
  10. 370
  11. 365
  12. 200
  13. 45
  14. 380
  15. 88
  16. 294
  17. 40
  18. 225
  19. 20
  20. 280
  21. 62
  22. 370
  23. 350
  24. 230
  25. 10
  26. 340
  27. 100
  28. 100
  29. 320
  30. 342
  31. 324
  32. 384
  33. 30
  34. 395
  35. 384
  36. 360
  37. 75
  38. 395
  39. 220
  40. 8

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