What is the riddle which can be asked all day with a different correct answer each time.

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

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?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

What is red and smells like blue paint?

The centre of the third figure is empty. What digit should fit inside?

Which alphabet is a part of our body?

There is a place where if I stand up straight, I will still be considered sideways.

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

What goes up but never comes down?