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

Who am I?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Find the number of squares in the below-given picture.

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What have one eye but still cannot see?

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