If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

why number 8549176320 is one of a kind?

In the image below, can you find the value of an angle(y)

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

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

Eight of us go fourth, not back, to protect our king from an attack. What are we?

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?