麻豆官网首页入口 Radio 4 - Today

Today Puzzle #570

If a pig farmer puts his pigs into pens with 3 in each, he needs 4 more pens than if he puts 5 in each. How many pigs does he have?

Today’s #PuzzleForToday has been set by David Feather a retired maths education lecturer

From autumn leaves to the magic roundabout: test yourself with our favourite quizzes.
We asked the intelligence agency to set our listeners a code-cracking challenge... Can you solve it?
Quiz: How many of these Mastermind music questions can you answer?

Here's a chance to find out whether your specialist subject on Mastermind could be the entire history of music.
Six conundrums to grapple with, including the Riddle of the Sphinx. Try not to forfeit your life...