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The average age of a committee of eight members is 40 years. A member aged 55 years retired and his place was taken by another member aged 39 years. The average age of the present committee is:

Option 1)
39 years
Option 2)
38 years
Option 3)
36 years
Option 4)
37 years
Option 5)
35 years

Answers (1)

best_answer

$Avg. Age = 40 years$
$Sum \: of\: ages = 40*8= 320$
$After\: replacement = 320 -55 + 39 = 304 years$
$Average = 304/8 = 38 yrs$

Posted by

rishi.raj

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