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Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all

  • 15.5
  • 15
  • 16
  • Cant be computed
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  • chandu 10 years ago

    Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all

    15.5
    15
    16
    Cant be computed
    in this question answer is wrong

    the correct answer is 15.5
    bocz we dont know the no of girsl and boys but we know average of boys and girls so just make out avg of their avg ,
    16+15/2=15.5