Probability of No Consecutive Heads
CMAT 2026 · Quantitative Techniques & Data Interpretation · Medium · Probability
Four coins are tossed simultaneously. What is the probability that two consecutive heads never occur together?
- A.
\frac{7}{8}
- B.
\frac{1}{4}
- C.
\frac{1}{3}
- D.
\frac{1}{2}
Answer
D
Explanation
Total outcomes = . Favorable outcomes with no consecutive heads: TTTT, HTTT, THTT, TTHT, TTTH, HTHT, THTH, HTTH (8 cases). Probability = .
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