I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What Deficiency does the below rebus represent?

VIT_MIN

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

When is the top of a mountain similar to a savings account?

Two friends were stuck in a cottage. They had nothing to do and thus they started playing cards. Suddenly the power went off and Friend 1 inverted the position of 15 cards in the normal deck of 52 cards and shuffled it. Now he asked Friend 2 to divide the cards into two piles (need not be equal) with equal number of cards facing up. The room was quite dark and Friend 2 could not see the cards. He thinks for a while and then divides the cards in two piles.

On checking, the count of cards facing up is same in both the piles. How could Friend 2 have done it ?

Prove that twice of ten is the same as twice of eleven.

I am white when I am dirty, and black when I am clean. What am I?

Can you identify if it's a murder or a suicide ?