Probability Ratio of Playing Cards

XAT 2013 · QADI · Medium · Probability

Six playing cards are lying face down on a table, two of them are kings. Two cards are drawn at random. Let a denote the probability that at least one of the cards drawn is a king, and b denote the probability of not drawing a king. The ratio a/b is

  1. A.

    0.25 and <0.5\ge 0.25 \text{ and } < 0.5

  2. B.

    0.5 and <0.75\ge 0.5 \text{ and } < 0.75

  3. C.

    0.75 and <1.0\ge 0.75 \text{ and } < 1.0

  4. D.

    1.0 and <1.25\ge 1.0 \text{ and } < 1.25

  5. E.

    1.25\ge 1.25

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