Two tain 100 metres and 120 metres long are running in the same dir – McqOptions

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1.	Two tain 100 metres and 120 metres long are running in the same direction with speeds of 72 km/hr and 54 km/hr. In how much time will the first train cross the second?
A.	22 sec.
B.	44 sec.
C.	55 sec.
D.	77 sec.
Answer» C. 55 sec.

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