A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

If eleven plus two equals one, what does nine plus five equal?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

Can you divide the below-given shape into four equal and identical pieces?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

What work can one never finish?

John is the son of Jacob.
So,
Jacob is the_____of John's father?