Answer:
I am always running but I never get tired or hot. What am I?
Before Mt. Everest was discovered what was the highest mountain in the world?
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
If a plane crashes on the border of US and Canada where do they bury the survivors?
I contain five little items of an everyday sort. You can find all five in a tennis court.
A little house full of meat, no door to go in and eat.