Barrack and Vladimir start swimming simultaneously from the two opposite ends of a swimming pool with speeds 4 m/s and 6 m/s respectively. The length of the swimming pool is 100 m. When either of them reaches the opposite end, they immediately turn back and swim in the opposite direction. At what distance (in metres) from Vladimir's end will they meet for the fourth time?

Question

Answer 1

20m , first meeting in middle of 100m track, there after every meeting occurs at a distance of 200m covered by both, in the ratio 2:3. splitting the track of 100m in 10 equal spaces, and counting will be the easier approach.

Answer 2

20m , first meeting in middle of 100m track, there after every meeting occurs at a distance of 200m covered by both, in the ratio 2:3. splitting the track of 100m in 10 equal spaces, and counting will be the easier approach.

Answer 3

1st meeting after 10 sec ,2nd after 20sec,3rd after 20 sec, similarly 4th in 20. in total 70 seconds , in 70 sec vladimir will travel 420 metre . so it will be 20 metres from vladimir's end

Answer 4

1st meeting after 10 sec ,2nd after 20sec,3rd after 20 sec, similarly 4th in 20. in total 70 seconds , in 70 sec vladimir will travel 420 metre . so it will be 20 metres from vladimir's end

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