What runs around the whole yard without moving?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What do you answer even though it never asks you questions?

Can you count the number of triangles in the given picture?