Answer:
When is 1500 plus 20 and 1600 minus 40 the same thing?
A beautiful succession of sounds.
Come up and we go, Go down and we stay.
Makes apples fall from trees
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?