Find out the missing number in the picture attached:

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Which part of London exists in France as well ?

What is next number in the pattern below:

131 517 192 123 ?

There is a place where if I stand up straight, I will still be considered sideways.

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

If you say my name, I will no longer exist. What am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3