Coin Toss Probability

CMAT 2025 · Quantitative Techniques & Data Interpretation · Easy · Quantitative Aptitude

A fair coin is tossed repeatedly. If tail appears on first four tosses, then the probability of head appearing on fifth toss equals.

  1. A.

    512\frac{5}{12}

  2. B.

    12\frac{1}{2}

  3. C.

    56\frac{5}{6}

  4. D.

    16\frac{1}{6}

Answer

B

Explanation

Each coin toss is an independent event. The outcome of the fifth toss does not depend on the previous four tosses. Therefore, the probability of getting a head on the fifth toss remains 12\frac{1}{2}.

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