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Mean

The average a...

Question

The average age of 8 persons is increased by 2 years, when one of them, whose age is 24 years is replaced by a new person. The age of the new person is

A

42 years

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B

40 years

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C

38 years

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D

45 years

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Solution

The correct option is B 40 years
Age of new person $= 8 \times 2 + 24$
$= 16 + 24 = 40 y e a r s$

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