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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Things are just as they seem, right? Well, check again.
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It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

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This was asked in an interview with Coa-Cola.

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Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.