What is full of holes but still holds water?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I am the fastest animal but cannot climb the tree. What am I?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?