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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 901 · 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 46. What is the number?
  2. 2.4 is 40% of ?
  3. 3.Arjun spent ₹16, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.Anaya spent ₹14, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.Meera spent ₹90, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Dev spent ₹80, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.7 is 5% of ?
  8. 8.17 is 10% of ?
  9. 9.Kabir spent ₹8, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.Kabir spent ₹108, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.Anaya spent ₹66, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.156 is 50% of ?
  13. 13.15% of a number is 12. What is the number?
  14. 14.Dev spent ₹17, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.25% of a number is 47. What is the number?
  16. 16.40% of a number is 48. What is the number?
  17. 17.Dev spent ₹17, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  18. 18.Arjun spent ₹88, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.20% of a number is 30. What is the number?
  20. 20.Rohan spent ₹45, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.Kabir spent ₹3, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.30% of a number is 36. What is the number?
  23. 23.228 is 80% of ?
  24. 24.Ishaan spent ₹117, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.27 is 75% of ?
  26. 26.25% of a number is 20. What is the number?
  27. 27.10% of a number is 3. What is the number?
  28. 28.20% of a number is 24. What is the number?
  29. 29.Dev spent ₹204, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.45 is 15% of ?
  31. 31.15 is 5% of ?
  32. 32.25% of a number is 46. What is the number?
  33. 33.25% of a number is 95. What is the number?
  34. 34.57 is 60% of ?
  35. 35.Ishaan spent ₹4, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.3 is 30% of ?
  37. 37.174 is 75% of ?
  38. 38.25% of a number is 49. What is the number?
  39. 39.Anaya spent ₹15, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.Diya spent ₹66, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 230
  2. 10
  3. 80
  4. 70
  5. 150
  6. 200
  7. 140
  8. 170
  9. 160
  10. 360
  11. 165
  12. 312
  13. 80
  14. 68
  15. 188
  16. 120
  17. 340
  18. 110
  19. 150
  20. 300
  21. 5
  22. 120
  23. 285
  24. 390
  25. 36
  26. 80
  27. 30
  28. 120
  29. 255
  30. 300
  31. 300
  32. 184
  33. 380
  34. 95
  35. 10
  36. 10
  37. 232
  38. 196
  39. 50
  40. 88

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