QuantForcesquant interview practice

RB_CH01_Q015. Sock drawer pairs

difficulty 1400·answer type: numeric·Not solved

Problem

Your bedroom sock drawer contains eight red socks and 11 blue socks that are otherwise identical. The light is broken in your bedroom, and you must select your socks in the dark. What is the minimum number of socks you need to take out of your drawer and carry into your (well-lit) living room to guarantee that you have with you at least a matching pair to choose from?

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