A train moves with a speed of 108 kmph. Its speed in metres per second is
Choose the correct option: A) 10.8 B) 18 C) 25 D) 30 E) None
Sol.   108 kmph = [108 x 5/18] m/sec = 30 m/sec.   Answer 30
<result>D</result>
A train moves with a speed of 108 kmph. Its speed in metres per second is