What is full of holes but still holds water?

Why is a river so rich ?

Can you move 2 matchsticks to form four equal sized squares.

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Spot 5 differences in two Christmas tree below:

A man dies of old age on his 25 birthday. How is this possible?

What breaks yet never falls, and what falls yet never breaks?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?