The probability of getting head and tail alternately in three throws of a coin (or a throw of three coins), is
The probability of getting head and tail alternately in three throws of a coin (or a throw of three coins), is
- A
$\frac{1}{8}$
- B
$\frac{1}{4}$
- C
$\frac{1}{3}$
- D
$\frac{3}{8}$
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- [IIT 1971]