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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 697 · 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. 1.5% of a number is 20. What is the number?
  2. 2.60% of a number is 225. What is the number?
  3. 3.147 is 60% of ?
  4. 4.20% of a number is 6. What is the number?
  5. 5.234 is 75% of ?
  6. 6.12% of a number is 15. What is the number?
  7. 7.Anaya spent ₹135, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.Meera spent ₹29, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.Riya spent ₹26, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.Riya spent ₹84, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.Dev spent ₹18, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.Kabir spent ₹32, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.Aarav spent ₹16, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Meera spent ₹195, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.10% of a number is 39. What is the number?
  16. 16.75 is 30% of ?
  17. 17.Riya spent ₹58, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.10% of a number is 4. What is the number?
  19. 19.Sara spent ₹15, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.25% of a number is 30. What is the number?
  21. 21.10% of a number is 31. What is the number?
  22. 22.Kabir spent ₹46, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.12 is 12% of ?
  24. 24.15% of a number is 36. What is the number?
  25. 25.Diya spent ₹6, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.20 is 5% of ?
  27. 27.15 is 15% of ?
  28. 28.Isha spent ₹120, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.50% of a number is 97. What is the number?
  30. 30.Arjun spent ₹160, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.12% of a number is 24. What is the number?
  32. 32.20% of a number is 28. What is the number?
  33. 33.25% of a number is 13. What is the number?
  34. 34.9 is 10% of ?
  35. 35.1 is 25% of ?
  36. 36.48 is 30% of ?
  37. 37.Meera spent ₹12, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.15% of a number is 30. What is the number?
  39. 39.8 is 25% of ?
  40. 40.Arjun spent ₹15, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 400
  2. 375
  3. 245
  4. 30
  5. 312
  6. 125
  7. 270
  8. 116
  9. 65
  10. 105
  11. 150
  12. 40
  13. 80
  14. 325
  15. 390
  16. 250
  17. 145
  18. 40
  19. 30
  20. 120
  21. 310
  22. 184
  23. 100
  24. 240
  25. 40
  26. 400
  27. 100
  28. 160
  29. 194
  30. 200
  31. 200
  32. 140
  33. 52
  34. 90
  35. 4
  36. 160
  37. 30
  38. 200
  39. 32
  40. 125

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