Answer:
What occurs four times in every week, twice in every month, only once in a year but never in a day?
A king wears one on his head.
Without coolant, you'll have some trouble with this.
What does a stone become when in the water?
Take it and you will lose or gain more than all the others.
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?