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

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

Why is it very easy to weigh a fish?

How many triangles can you count in the figure given?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Move four matchsticks to the below square to form three squares?

What country can make you shiver?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

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