Question

average of 5 student is 101 more students joined them and then the number of average becomes 119 then find the age of the boy that joins the group
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Answer 1

Let the weight of sixth boy be xMean of 6 boys=sum of 6 boystotal no. of boys⇒48=51+45+49+46+44+x6⇒48×6=51+45+49+46+44+x⇒288=235+x⇒x=288−235⇒x=53thus, the weight of sixth boy is 53.