Two trains 80 mtr. & 70 mtr. in length are running in same directio – McqOptions

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1.	Two trains 80 mtr. & 70 mtr. in length are running in same direction on parallel tracks. The speed of first train is 45 km/h & that of second train is 36 km/h. In what time will they be completely cle
A.	4 minute
B.	1 minute
C.	9 minute
D.	7 minute
Answer» C. 9 minute

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