Train into a Tunnel

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?




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On the occasion of Diwali, online seller companies in India are offering a big discount on Iphone14 as below.

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If the original cost of the iPhone is Rs.70,000 Which is the best offer for you?

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RDSH
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who is silent in the parliament?

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Fate has decided that you will only be pleased to meet me when you need me

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In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki