Question

the average age of 12 boys is 12 years and the average age of 11 of team is 11 years find the age of the 12th boys

Answer 1

sum of ages of 12 boys =
average × total number of boys
=12×12
=144

Average age of 11 of team
=11×11
=121

So age of 12th boy
=144-121
=23

Answer 2

$\huge\underline\bold\fbox{Heya Friend}$
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Q:-The average age of 12 boys is 12 years and the average age of 11 of team is 11 years find the age of the 12th boys.
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$\huge\underline\bold{Answer}$
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According to the question,
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$\large\bold{Given :- sum of ages = 12}$

$\large\bold{Given :- No. of boys= 12}$

★The sum of ages × No. of boys
=12×12
=144

★The Average of 11th of team×Average years . (°•°Given)
=11×11
=121

★Find the age of the 12th boys
=144-121
23

$\large\underline\bold{The answer is 23 years}$

$\huge\underline\bold{Hope It Helps}$