 
<translate> Saurin = 60 * 5/18 = 50/3 m / sec Tsawon jirgin = gudun * lokaci = 50/3 * 6 = 100 m Amsar ita ce (D). <eng> Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 6 = 100 m
So, the answer is (D). 