Can you replace the question mark with the correct number?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

If six children and two dogs were under an umbrella, how come none of them got wet?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

In the four images below, can you find the odd one out?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?