D = 110 + 140 = 250 m
S = 60 * 5/18 = 50/3
T = 250 * 3/50 = 15 se
How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 140 m in length?
Options:
A. 16.5
B. 16.0
C. 15
D. 16.8
E. 16.1