What does this simple rebus mean?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

If you say my name, I will no longer exist. What am I?

Find the missing letter in the last circle logically in the given below picture.

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

What is the next number in this matchsticks series riddle?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

What Adam and Eve do not have but the rest of the people have?