SSC CHSL 12 Oct 2020 Shift 1 Paper

Question : 53 of 100

Marks: +1, -0

The average age of 25 men is

28 {\yr}

, 5 new men of an average age of

25 {\yr}

joined them. Find the average age of all the men together.

Solution:

Total age of 25 men

=25 \×28=700

Total age of 5 men

=5 \×25=125 \yr

Average age of all men together

={700+125}/{30}

={825}/{30}=27.5 {\yr}

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