Two cars A and B are running towards each other from two different place 88 km apart. If the ratio of the speeds of the cars A and B is 5:6 and the speeds of the cars B is 90 km/h, after what time will they meet each other?

38 min
39 min
45 min
32 min

Correct Answer: 32 min

Explanation:

Let speed of A = 5x
Then, spend of B = 6x
Given that,speed of B = 6x = 90
∴ x = 90/6 = 15
∴ Speed of A = 5x = 5x = 5 x 15 = 75 km/h
Let A and B meet after T h. Then,
75 x T + 90 x T =88
∴ T = 88/165 h = (88 x 60)/165 = 32 min

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