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 count the number of triangles in the given picture?

I have branches, but no fruit, trunk or leaves. What am I?

Why do you find that most of the buildings are deprived of the 13th floor?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

Can you place three balls such that the equation shown in the picture holds true?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What is the longest word in the dictionary?

Find out the missing number in the picture attached: