What is full of holes but still holds water?

Replace the question mark with the correct number below.

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Sahir enters the bank aims to rob and finds Jai standing inside armless. He aims a gun at him and asks him the code for the safe. Jai says, 'The code is different every day but if you hurt me, you will never get to know the code'.

Sahir pins him down and ties him with a rope. He then inserts the safe code and easily takes all the money with him.

How did he know the code?

What does this Rebus Picture mean?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

How could a baby fall out of a twenty-story building onto the ground and live?