A father's child, a mother's child, yet no one's son.

Who am I?

Move four matchsticks to the below square to form three squares?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Different lights make me strange by changing me into different sizes. What am I?