Question

In a boat 25 persons were sitting. Their average weight increased by one kilogram when one man goes and a new man comes in.The weight of the new man is 70 kgs.Find the weight of the man who is going

Answer 1

Let the average weight be Wkg

Weight of one man be X

So, W=25x/2............eqn1

2nd condition,

W+1=24x+70/2........eqn2

Eqn1-2

-1=25x/2-24x+70/2

X=68kg