Today Puzzle #596
Puzzle No. 596鈥� Thursday 24 October
China has the world's largest number of "unicorns," privately-held start-up firms valued at more than $1bn. The country has produced 206 unicorns while the US has 203. If together the two countries are home to 80% of the world's unicorns, how many are there in total?
Today’s #PuzzleForToday has been set by Dr Shaun Fitzgerald, Director of The Royal Institution
Click here for the answer
409 unicorns = 80% of the total. Total number = 409/0.8 = 511 (to the nearest whole number).
-
![]()
Puzzle for Today 鈥� Index
Find all of the currently available Puzzles for Today, with answers.
More fiendish brain-teasers and quizzes on 大象传媒 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...
