Question

Three persons A, B and C can travel with a speed of 3 km/hr, 4 km/hr and 5 km/ hr respectively. They travels from the same place respect tively at 1, 2 and 3 o'clock. When B meets A, B sends him back with a message to C. When will get the message they return with the speed 5 km/hr. toward B and B travel ing with as usual speed.

Answer 1

Answer:

4o' clock

Step-by-step explanation:

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