Home » Math Riddles » I have 10 red socks and 10 blue socks in a drawer. How many socks must I take out to ensure that I have at leas...

I have 10 red socks and 10 blue socks in a drawer. How many socks must I take out to ensure that I have at least one matching pair? One how many to ensure I have at least a pair of red and a pair of blue?
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I heard of an invading, vanquishing army sweeping across the land, liquid-quick; conquering everything, quelling resistance. With it came darkness, dimming the light. Humans hid in their houses, while outside spears pierced, shattering stone walls. Uncountable soldiers smashed into the ground, but each elicited life as he died; when the army had vanished, advancing northward, the land was green and growing, refreshed. What is it?
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Better touch this before proceeding to second, or you’re out.
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Why didn’t the skeleton use a towel?
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When it’s alive we sing, when it is dead we clap our hands. What is it?
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I have two hands but cannot clap
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