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

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

How many letters are in the alphabet?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

What is the end of everything?

How is the moon similar to a dollar?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?