the average age of 7 boys is 15 years one more boys joins them and the average age now becomes 14 years Find the age of the boy who joins last
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Question :-
The average age of 7 boys is 15 years one more boys joins them and the average age now becomes 14 years Find the age of the boy who joins last ?
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Answer :-
From the Question :-
• Total Number of boys = 7
• Average age of boys = 15 years.
Now,
• Another boy joins and the avarge is 14
• Let present age of boy who join last be ' y years '
• From the Question we know that,
Hence the Age of newly joined boy = 7 years
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