Tricky Logic Puzzle

Tricky Logic Puzzle Solution - 21 February

I have some blue and red sock in my drawer.
I have total of 4 socks.
I pick 2 socks and chances that i get pair of red socks is 1/2.

What is the chance of picking a pair of blue socks ?

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Solution
zero

I had 3 red socks and 1 blue sock.

=> chances of pair of red socks = 1/2
chances of pair of mixed socks = 1/2
chances of pair of red socks = NULL