What runs around the whole yard without moving?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

What's the only room from which no one can enter or leave

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

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

Why did the Girl throw the butter out of the window?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

What does below chemistry rebus means?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?