A train of length 150 metres takes 40.5 seconds to cross a tunnel of length 300 metres. What is the speed of the train in km/hr ?  Choose one
A) 13 33	B) 26.67	C) 40	D) 66.67	E) None
Solution   speed	=(150 + 300 / 40.5)m/sec   =(450/40.5x18/ 5) km/hr   = 40 km/hr   Answer 40
<result>C</result>
A train of length 150 metres takes 40.5 seconds to cross a tunnel of length 300 metres. What is the speed of the train in km/hr ?