A boat moves with a speed of 5 km/h relative to water in a river flowing with a speed of 3 km/h and having a width of 1 km. The minimum time taken around a round trip is 

(1) 5 min

(2) 60 min

(3) 20 min

(4) 30 min

Concept Videos :-

#35-Intro-to-Relative-Motion
#36-Solved-Examples-19
#37-Solved-Examples-20
#38-Concept-of-River-Man-Problem
#39-Solved-Examples-21
#40-Rain-Man-Problem
#41-Wind-Plane-Problem

Concept Questions :-

Relative motion
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