SSC CHSL 19 Mar 2020 Shift 1 Paper

Question : 60 of 100

Marks: +1, -0

The average of the ages of a group of

65 {\men}

32 {\yr}

. If

5 {\men}

join the group, the average of the ages of 70 men is

34 {\yr}

. Then, the average of the ages of those 5 men joined later (in

{\yr}

) is

Solution:

According to the question, Average of the ages of 5 men joined
later

={(70 \×34)-(65 \×32)}/{5}

={2380-2080}/{5}

={300}/{5}=60 {\yr}

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