2. In a year there are 12 months. 7 months have 31 days. How many months have 28 days?
3. A plane crashes on the border of the U.S. and Canada. Where do they bury the survivors?
4. Before Mt. Everest was discovered, what was the highest mountain in the world?
5. Which is heavier? A pound of feathers, or a pound of rocks?
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