In a class of 22 students, 21 students get an average of 44 marks. If the remaining students get 66 marks, the average marks of the whole class is--

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Statistics and Average

প্রশ্নঃ In a class of 22 students, 21 students get an average of 44 marks. If the remaining students get 66 marks, the average marks of the whole class is--

  • ক. 30
  • খ. 45
  • গ. 15
  • ঘ. None of these

সঠিক উত্তরঃ

45
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Statistics and Average

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