The average of the ages of 3 friends is 23. Even if the age of the 4th friend is added, the average remains 23. What is the age of the 4th friend?

32 years

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21 years

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23 years

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Cannot be determined

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None of these

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Solution

The correct option is C 23 years
Here, age of the 4th friend
$= 23 + (3 + 0) \times 0$
$= 23 + 0 = 23$ years

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The average of the ages of 3 friends is 23. Even if the age of the 4th friend is added, the average remains 23. What is the age of the 4th friend?

The correct option is C 23 yearsHere, age of the 4th friend =23+(3+0)×0 =23+0=23 years

The correct option is C 23 years
Here, age of the 4th friend
$= 23 + (3 + 0) \times 0$
$= 23 + 0 = 23$ years