A 110 m long train crosses a tree in 3 s. How long will take to cross 165 m long platform and 135 m long bridge, if platform and bridge are at a distance of 30 m ?

A 110 m long train crosses a tree in 3 s. How long will take to cross

1.	A 110 m long train crosses a tree in 3 s. How long will take to cross 165 m long platform and 135 m long bridge, if platform and bridge are at a distance of 30 m ?
A.	12 s
B.	15 s
C.	16 s
D.	18 s
Answer» B. 15 s

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A 110 m long train crosses a tree in 3 s. How long will take to cross 165 m long platform and 135 m long bridge, if platform and bridge are at a distance of 30 m ?

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