If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

The centre of the third figure is empty. What digit should fit inside?

How can you leave a room with two legs and return with six legs?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

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?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Solve the puzzle by telling what does below picture means.

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?