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Question

Train ‘A’ running with a speed of 72 km/h crosses a pole in 8.5 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a speed of 36 km/h and coming from the opposite direction is 11.4 seconds, then find the length of train
B.

A 172

B 165

C 112

D 155

E None of these

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