Multiple choice general knowledge

There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that atleast two blue socks have been chosen?

  1. 18

  2. 16

  3. 24

  4. 19

  5. 20
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

There are 18 red socks (60% of 30) and 12 blue socks (40% of 30). Worst case scenario: we draw all 18 red socks first. To guarantee at least 2 blue socks, we need to draw 18 red + 2 blue = 20 socks total.

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