Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

I cannot talk, but I always reply when spoken to. What am I?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

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.

What is red and smells like blue paint?