Today Puzzle #583
Puzzle No. 583鈥� Monday 7 October
Libraries Week is a week-long celebration starting today. 50% of the UK's 67.6 million population hold a library card which is 0.76 millimetres thick. As he launches his 10 point Manifesto for Libraries, Bobby Seagull tried putting all of the UK's library cards into 10 stacks. How tall in kilometres would each stack be?
Today’s #PuzzleForToday has been set by Bobby Seagull, who is taking on the role of UK Library Champion following previous incumbents Mary Beard and Stephen Fry.
Click here for the answer
Each stack of library card is 2.57km!
50% of 67.6 million = 33.8 million card
0.76mm in metres is 0.00076m
0.00076m x 33.8 million = 25,688 metres
25,688m / 10 stacks = 2,568m
-
![]()
Puzzle for Today 鈥� Index
Find all of the currently available Puzzles for Today, with answers.
More fiendish brain-teasers and quizzes on 麻豆官网首页入口 Radio...
-
![]()
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...
