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Question

Train 'A' can cross a tree and a bridge of 300 metres in 5 sec and 15 sec, respectively. Train 'B' can cross the same bridge in 20 seIf the length of train 'B' is 50 metres more than length of train 'A', then find the time taken by train 'A' to completely overtake train 'B'.

A 60 sec

B 65 sec

C 70 sec

D 75 sec

E 80 sec

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