A train 160 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?	Choose the correct choice from the following choices
A) 443 m
B) 354 m
C) 340 m
D) 350 m
E) 250 m

Rationale: "c 340 c = ( 72 * 5 / 18 ) * 25 - 160 = 340"
Answer: C