A 300 m long train crosses a platform in 39 sec while it crosses a signal pole in 26 sec. What is the length of the platform?	Answers
A) 389 m
B) 150 m
C) 289 m
D) 299 m
E) 219 m

Rationale: "speed = 300 / 26 = 150 / 13 m / sec . let the length of the platform be x meters . then , ( x + 300 ) / 39 = 150 / 13 = > x = 150 m . answer : b"
Answer: B