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?

I am white when I am dirty, and black when I am clean. What am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

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

What is 3/7 chicken, 2/3 cat and 2/4 goat?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

What is so fragile that saying its name breaks it?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?