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?Options48 km/hr.36 km/hr.40 km/hr.32 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?Options48 km/hr.36 km/hr.40 km/hr.32 km/hr.
Solution
The problem can be solved by using the concept of relative speed.
Step 1: Calculate the distance covered by car A. The speed of car A is given as 48 km/hr and it travels for 2 hours. So, the distance covered by car A = speed * time = 48 km/hr * 2 hr = 96 km.
Step 2: Calculate the speed of car B. Both cars are traveling towards each other, so they cover the same distance. Car B covers this distance in 3 hours. So, the speed of car B = distance / time = 96 km / 3 hr = 32 km/hr.
So, the speed of car B is 32 km/hr.
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