At what time will the train reach city X from city Y? I. The train crosses another train of equal length of 200 metres and running in opposite directions in 15 seconds. II. The train leaves city Y at 7.15 a.m. for city X situated at a distance of 558 km. III. The 200 metres long train crosses a signal pole in 10 seconds.

All I, II and III are required.

At what time will the train reach city X from city Y? I. The train c

1.	At what time will the train reach city X from city Y? I. The train crosses another train of equal length of 200 metres and running in opposite directions in 15 seconds. II. The train leaves city Y at 7.15 a.m. for city X situated at a distance of 558 km. III. The 200 metres long train crosses a signal pole in 10 seconds.
A.	I only
B.	II only
C.	III only
D.	II and III only
E.	All I, II and III are required.
Answer» E. All I, II and III are required.

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