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Q.
Train K crosses a stationary Train L in 50 seconds and a pole in 20 seconds with the same speed. The length of the Train K is 240 meters. What is the length of stationary Train L ?
A.
60 mts
B.
120 mts
C.
240 mts
D.
360 mts
View Answer
Correct choice: D
Explanation:
Speed of the Train K is given by s = d/t = 240/20 = 12 m/s Distance covered by Train K in 50 seconds = 12 x 50 = 600 mts. But it crosses Train L in 50 seconds Therefore, the length of the Train L is = 600 - 240 = 360 mts.
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