Explanation


Explanatory Answer

Case 1: Josh started running away from B towards A.

They will meet in between A and B

As per the question, Hosh turns back after meeting Josh and reaches point B, it is not possible in this case.

Case 2: Josh started running away from B opposite to A.

Let the point at which they meet is C and BC = x metres.

So, by the time Hosh had travelled a distance of 80 + x, Josh had travelled a distance of x.

As time is constant

From (1) and (2) we get 

We get x = 20 

So, total distance travelled by Hosh = 80 + 2x = 120m

 
 
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