Two cars A and B start simultaneously from two different places and travels towards each other. They arrive at their destination after 2 hrs and 3 hrs respectively. If speed of car A is 48 km/hr. what is the speed of car B?Options40 km/hr.32 km/hr.48 km/hr.36 km/hr.
Question
Two cars A and B start simultaneously from two different places and travels towards each other. They arrive at their destination after 2 hrs and 3 hrs respectively. If speed of car A is 48 km/hr. what is the speed of car B?Options40 km/hr.32 km/hr.48 km/hr.36 km/hr.
Solution
The problem can be solved by using the concept of relative speed.
Step 1: Determine the distance covered by car A. The distance covered by car A = speed * time = 48 km/hr * 2 hrs = 96 km.
Step 2: Determine the time taken by car B to cover the same distance. According to the problem, car B takes 3 hours to cover the same distance.
Step 3: Determine the speed of car B. Speed = Distance / Time So, the speed of car B = 96 km / 3 hrs = 32 km/hr.
Therefore, the speed of car B is 32 km/hr.
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