Find the next number in the series below

21 32 54 87 131 ?

There is a place where if I stand up straight, I will still be considered sideways.

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Spot the cat in the picture below

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

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?

What kind of band never plays music?