What does this Rebus Picture means ?

The centre of the third figure is empty. What digit should fit inside?

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

What kind of tree can you carry in your hand?

Why did the Girl throw the butter out of the window?

Find the Goldfish below the given Image.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Which English verb becomes past tense just by rearranging the letters?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?