Why did the man open the window and jump out ?

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Why did the man open the window and jump out ?
There was a old man who lived by himself.
He felt tired so he went into the bathroom,
went to toilet and then turned the light off before going to bed.
The next morning there was a news flash on the radio that a boat crashed.
The man opened the window and jumped out.
Why?

You have 19 eggs puzzle

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You have 19 eggs puzzle

You have 19 eggs puzzle

You have 19 eggs.
18 of them have the same weight and 1 of them is different,
but you do not know if it is heavier or lighter than the others.

Using the best possible strategy, in the worst case scenario,
how many weighing do we need to perform
in order to correctly identify the different egg?

Edit : You do not necessarily need to find if the egg is heavier or lighter than the others.

3 Chests with Gold Silver coins puzzle

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3 Chests with Gold Silver coins puzzle

3 Chests with Gold Silver coins puzzle

You are presented with 3 chests:

Chest A has been labelled with "100 gold coins."
Chest B has been labelled with "50 gold and 50 silver coins."
Chest C has been labelled with "100 silver coins."

You are told that each label is incorrectly placed
because it describes the contents of another chest.
To help you determine which chest truly contains 100 gold coins,
you are allowed to randomly pick a coin from any chest.

Which chest should you pick a coin from ?
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