Question
There are two trains A and B. A start from point X at 8
AM towards point Y. Another train B starts at 9 AM from point Y. If they meet at 11 AM and speed of A is 24km/hr, while that of B is 36 km/hr. Find distance between X and Y.Solution
Speed of train A = 24 kmph Speed of train B = 36 kmph Time taken by train A to meet train B at 11 AM = 3 hrs Time taken by train B to meet train A at 11 AM = 2 hr Distance travelled by train A = 3 × 24 = 72 km Distance travelled by train B = 2 × 36 = 72 km Therefore, total distance between X and Y = 72 + 72 = 144 km
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