1. What was Martin Luther King, Jr.'s age at death?
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2. What is the length of the Nile River, in miles?
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3. How many countries belong to OPEC?
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4. How many books are there in the Old Testament?
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5. What is the diameter of the moon, in miles?
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6. What is the weight of an empty Boeing 747, in pounds?
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7. In what year was Mozart born?
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8. What is the gestation period of an Asian elephant, in days?
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9. What is the air distance from London to Tokyo, in miles?
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10. What is the deepest known point in the ocean, in feet?
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out of 10