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

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A farmer went to a market and bought a wolf, a goat, and a cabbage. On his way home, the farmer came to the bank of a river and rented a boat. But crossing the river by boat, the farmer could carry only himself and a single one of his purchases: the wolf, the goat, or the cabbage. If left unattended together, the wolf would eat the goat, or the goat would eat the cabbage. The farmer’s challenge was to carry himself and his purchases to the far bank of the river, leaving each purchase intact. How did he do it?

What do you see in the image below

How many sides does a circle have?

Find the number of squares in the below picture

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.