A train crosses a platform of 110 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?	Select.
A) A)310m
B) B)170m
C) C)180m
D) D)158m
E) E)350m
Length of the train be ‘X’   X + 110/15 = X + 250/20   4X + 440 = 3X + 750   X = 310m   310mnswer: 310m
<result>A</result>
A train crosses a platform of 110 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?