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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 910 · 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. 1.30 is 12% of ?
  2. 2.Dev spent ₹18, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.5% of a number is 4. What is the number?
  4. 4.Riya spent ₹14, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.75% of a number is 18. What is the number?
  6. 6.Meera spent ₹114, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.22 is 20% of ?
  8. 8.Dev spent ₹36, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.20% of a number is 4. What is the number?
  10. 10.80% of a number is 20. What is the number?
  11. 11.20% of a number is 74. What is the number?
  12. 12.40% of a number is 134. What is the number?
  13. 13.Anaya spent ₹24, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.24 is 25% of ?
  15. 15.10% of a number is 13. What is the number?
  16. 16.30% of a number is 69. What is the number?
  17. 17.180 is 80% of ?
  18. 18.144 is 60% of ?
  19. 19.Anaya spent ₹12, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.29 is 20% of ?
  21. 21.236 is 80% of ?
  22. 22.15 is 50% of ?
  23. 23.Isha spent ₹54, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.10% of a number is 32. What is the number?
  25. 25.13 is 10% of ?
  26. 26.15% of a number is 6. What is the number?
  27. 27.50% of a number is 122. What is the number?
  28. 28.20 is 80% of ?
  29. 29.106 is 50% of ?
  30. 30.25% of a number is 5. What is the number?
  31. 31.25% of a number is 81. What is the number?
  32. 32.8 is 5% of ?
  33. 33.Riya spent ₹6, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.Ishaan spent ₹57, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.51 is 60% of ?
  36. 36.50% of a number is 23. What is the number?
  37. 37.60% of a number is 36. What is the number?
  38. 38.10% of a number is 33. What is the number?
  39. 39.Aarav spent ₹6, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.40 is 10% of ?

Answer key

  1. 250
  2. 60
  3. 80
  4. 35
  5. 24
  6. 380
  7. 110
  8. 90
  9. 20
  10. 25
  11. 370
  12. 335
  13. 30
  14. 96
  15. 130
  16. 230
  17. 225
  18. 240
  19. 120
  20. 145
  21. 295
  22. 30
  23. 180
  24. 320
  25. 130
  26. 40
  27. 244
  28. 25
  29. 212
  30. 20
  31. 324
  32. 160
  33. 50
  34. 76
  35. 85
  36. 46
  37. 60
  38. 330
  39. 20
  40. 400

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