A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is: April 21, 2025August 10, 2019 A.45 m B.50 m C.54 m D.72 m Show AnswerAnswer=Option B