Yakov Perelman: 2 puzzles worth knowing

2 puzzles from Yakov Perelman, each explained in a minute and credited to the original work. Free on Savvy.

A drawer of loose socks and gloves: how many must you grab blind for a matching pair?
A dark drawer holds 10 pairs of brown socks and 10 pairs of black socks, all unpaired and mixed loose. A second drawer holds the same split of brown and black gloves — except glove…
— Yakov Perelman, Mathematics Can Be Fun (Figures for Fun)
Six baskets of eggs. Sell one, and the rest splits exactly 2:1 chicken to duck
A trader has six baskets of eggs, holding 5, 6, 12, 14, 23 and 29 eggs. Every basket is entirely one type: chicken eggs or duck eggs. 'If I sell this one basket,' he says, pointing…
— Yakov Perelman, Mathematics Can Be Fun (Figures for Fun)

Five ideas worth knowing, every week