Two trains 200 m and 150 m long are running on parallel rails at the rate of 40 kmph and 45 kmp
Two trains 200 m and 150 m long are running on parallel rails at the rate of 40 kmph and 45 kmph respectively. In how much time will they cross each other, if they are running in the same direction?
180 sec
132 sec
192 sec
252 sec
72 sec