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Q: The average of 23 numbers is 51. The average of first 12 numbers is 49 and the average of last 12 numbers is 54. If the twelfth number is removed, then the average of the remaining numbers (correct to two decimal places) is :
  • A. 53.25
  • B. 50.45
  • C. 51.75
  • D. 52.65
Correct Answer: Option B -
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Explanations:

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