Multiple choice

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 to be certain that atleast two blue socks have been chosen?

  1. 2

  2. 3

  3. 12

  4. 13

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

Number of red socks = 18 Minimum number of socks to be drawn to ensure that atleast two of them are blue = 18 + 2 = 20

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