A train crosses a platform of 90 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?  Choose the correct choice from the following answers
A) A)150m B) B)170m C) C)180m D) D)158m E) E)390m
Length of the train be ‘X’   X + 90/15 = X + 250/20   4X + 360 = 3X + 750   X = 390m   Answer: 390m
<result>E</result>
A train crosses a platform of 90 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?