what does the below rebus means?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

Can you identify if it's a murder or a suicide ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

During which month do people sleep the least?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What have one eye but still cannot see?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?