The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

What has to be broken before you can use it?

what does the below rebus means?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What is red and smells like blue paint?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Where do fish keep their money?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?