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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 3 · 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. 1.25% of a number is 15. What is the number?
  2. 2.Kabir spent ₹20, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.80% of a number is 204. What is the number?
  4. 4.66 is 60% of ?
  5. 5.Aarav spent ₹160, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.10% of a number is 15. What is the number?
  7. 7.Ishaan spent ₹144, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.42 is 20% of ?
  9. 9.60% of a number is 57. What is the number?
  10. 10.16 is 20% of ?
  11. 11.60% of a number is 144. What is the number?
  12. 12.33 is 12% of ?
  13. 13.80% of a number is 124. What is the number?
  14. 14.40% of a number is 2. What is the number?
  15. 15.93 is 30% of ?
  16. 16.Aarav spent ₹80, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.Diya spent ₹12, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.79 is 20% of ?
  19. 19.152 is 40% of ?
  20. 20.Dev spent ₹6, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.15% of a number is 36. What is the number?
  22. 22.5% of a number is 1. What is the number?
  23. 23.Aarav spent ₹9, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.Dev spent ₹183, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.Meera spent ₹212, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.Meera spent ₹292, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.Kabir spent ₹24, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.Kabir spent ₹136, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.Kabir spent ₹45, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.136 is 40% of ?
  31. 31.50% of a number is 116. What is the number?
  32. 32.96 is 30% of ?
  33. 33.5% of a number is 19. What is the number?
  34. 34.80% of a number is 100. What is the number?
  35. 35.72 is 25% of ?
  36. 36.50% of a number is 47. What is the number?
  37. 37.20% of a number is 48. What is the number?
  38. 38.40% of a number is 108. What is the number?
  39. 39.Arjun spent ₹154, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  40. 40.8 is 5% of ?

Answer key

  1. 60
  2. 25
  3. 255
  4. 110
  5. 400
  6. 150
  7. 240
  8. 210
  9. 95
  10. 80
  11. 240
  12. 275
  13. 155
  14. 5
  15. 310
  16. 200
  17. 40
  18. 395
  19. 380
  20. 40
  21. 240
  22. 20
  23. 75
  24. 244
  25. 265
  26. 365
  27. 120
  28. 340
  29. 375
  30. 340
  31. 232
  32. 320
  33. 380
  34. 125
  35. 288
  36. 94
  37. 240
  38. 270
  39. 308
  40. 160

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