I always drive my customer away.

Who am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

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

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What is next number in the pattern below:

131 517 192 123 ?

Can you decipher the two rows to find the hidden word?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

I look at you, you look at me, I raise my right, you raise your left. What am I?