Trains Boats and Streams Practice Test 1 with solutions

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Question : 25 of 40

Marks: +1, -0

A train 110 m long passes a telegraph pole in 3 sec. For how long will it take to cross a railway platform 165 m long?

$7 1/2$ sec.
5 sec.
$4 1/2$ sec.
$3 1/2$ sec.

Solution:

Here,

{165+110 }/{t}

=

{110}/3

⇒

{275}/t

=

{110}/3

∴ t =

{275×3}/{110}

=

{15}/2

=

7 1/2

sec

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