Problem: What colour was Barbara Windsor's bikini in Carry On Camping?
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A: green

Problem: A pentadecagon has how many sides?
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A: 15

Problem: Located near the Austrian border, what is the name of Germany's highest mountain?
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A: zugspitze

Problem: HDL and LDL, standing for high- and low-density lipoproteins, are popularly known as the good and bad forms of which organic molecules?
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A:
cholesterol