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

why number 8549176320 is one of a kind?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What will you call your mother's brother's brother-in-law?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?