A train crosses a platform of 140 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 answer:  A) 150  B) 887  C) 167  D) 190  E) 161
Length of the train be ‘X’   X + 140/15 = X + 250/20   20X +2800 = 15X + 3750   5x=950   X = 190m   Answer: 190
<result>D</result>
A train crosses a platform of 140 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?