Saurabh goes to an exhibition at Ohio with his daughter and faithful dog. Unfortunately, the man misses his daughter which he realizes 20 minutes later. The daughter comes back towards his home at the speed of 20 m/s and man follows him at 40 m/s. The dog runs to the daughter (child) and comes back to the father to show him the direction of his daughter. It keeps moving to and fro at 60 m/s between son and father, till the father meets his daughter. What is the distance traveled by the dog in the direction of the daughter?

Answer rating: 100% (QA)

This problem can be solved by understanding the concept of relative speed Here the daughter is comin... View the full answer