Can you count the number of quadrilaterals in the picture below?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Look at the picture and find out which square is not linked with any of the other squares.

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 ?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Identify The phrase in the picture.

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

I travel all around the world but always stay in the corner. What am I?