A train 280 m long, running with a speed of 63 km/hr will pass a tree in	Choose the correct option:
A) 15 sec.
B) 16 sec.
C) 18 sec.
D) 20 sec.
E) None
Solution   Speed	= (63 x 5/18) m/sec   = 35/2 msec   Time taken	= (280 x 2 /35)m/sec   = 16 sec.   Answer 16 sec.
<result>B</result>
A train 280 m long, running with a speed of 63 km/hr will pass a tree in