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Quantitative Aptitude

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Time & Distance

Question
28 out of 35
 

A train running at a speed of 40 m/s crosses a pole in 21 seconds less than the time it required to cross a bridge 3.5 times its length at the same speed. What is the length of the bridge?



A 1080 m
B 240 m
C 840 m
D 560 m
E None of these

Ans. C

Let the length of the train be x meter, So, length of the bridge is 3.5 meter

3.5x = 21 x 40

x = 240 m

So, length of bridge is 3.5 x 240 = 840 m

Time & Distance Flashcard List

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