What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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?

Can you count the number of squares in the figure below?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Why do you find that most of the buildings are deprived of the 13th floor?

In the image given, you can find several triangles. Can you count them all?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?