Find out the length of train which is moving with constant velocity...

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Find out the length of train which is moving with constant velocity.
\( \mathrm{P} \)
Information I : Train crosses a pole in 5 sec.
W
Information II : It cross the bridge of length 500 \( \mathrm{m} \) in 8 seconds.
(1) question can be solved by information I only
(2) question can be solved by information II only
(3) question can be solved by information I \& II together only
(4) question can not be solved by using these information alone
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