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The length of a train is Y meters and it crosses a pole in 10 seconds. The length of a bridge is 2Y meters and the speed of the train is 90 km/h. If t
Question



The length of a train is Y meters and it crosses a pole in 10 seconds. The length of a bridge is 2Y meters and the speed of the train is 90 km/h. If the time taken by the train to cross the bridge is X seconds, then find the value of 2X+Y.


A.

300

B.

340

C.

310

D.

350

E.

290

Correct option is C

Required value = 2×30+250=310

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