Which is the smallest number that you can write using all the vowels exactly once?

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?

What do you call a fish without an eye?

Which Burger Is Different in below image?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

What do you think with the below Picture ?

In the image given, you can find several triangles. Can you count them all?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?