Can you pass this 1970s quiz?
Which scientist developed his theories of black holes in the 1970s?
Stephen Hawking
Stephen Jay Gould
Donald Johanson
Georges Kohler
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Caleb is 54 years old, and his father Franklin is 80. How many years ago was Franklin three times the age of his son Caleb?
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How did the soccer fan know before the game that the score would be 0-0?