There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?