Henry Ernest Dudeney/Puzzles and Curious Problems/355 - The Seven Children

Puzzles and Curious Problems by Henry Ernest Dudeney: $355$

The Seven Children

Four boys and three girls are seated in a row at random.

What are the chances that the two children at the end of each row will be girls?

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Unclassified Problems: $355$. -- The Seven Children
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Combinatorial & Topological Problems: Miscellaneous Combinatorial Puzzles: $470$. The Seven Children