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How to Figure Out Cheryl’s Birthday
The New York Times
A step-by-step explanation of a birthday logic problem making the Internet rounds.
108 months ago
BIS vs LLM
Financial Times
A year ago I wrote an entire children's book for my son's birthday, by using his wild stories about an Australian dragon farm,...
3 months ago
Why the Cheryl birthday problem turned into the maths version of #TheDress
The Guardian
Why the Cheryl birthday problem turned into the maths version of #TheDress · 1. Albert knows that Bernard doesn't know. · 2. Albert deduces...
108 months ago
When is Cheryl’s birthday? The math problem gone viral
CNN
Cheryl's birthday challenge was meant to test the better high-school students competing in the Singapore and Asian Schools Math Olympiad, held...
108 months ago
Cheryl's Birthday: Singapore's maths puzzle baffles world
BBC
A school maths question posted on Facebook by a Singaporean TV presenter has stumped thousands, and left many asking if that's really what...
108 months ago
Mind-melting maths problem meant for 14-year-olds stumps adults - can you solve it?
The Mirror
A logic question designed to test 14-year-olds has been leaving adults stumped, as they struggle to work out the right answer with the clues...
6 months ago
Cheryl's birthday answer: Singapore logic math problem solved (VIDEO).
Slate
A prompt about two men, Albert and Bernard, trying to figure out a woman's birth date with limited information spread from a Singapore math...
108 months ago
'When is Cheryl's birthday?' The math problem that stumped the Internet.
Washington Post
The question first appeared on April 8, as part of the Singapore and Asian Schools Math Olympiads contest. It was posted online Friday by a...
108 months ago
This viral math problem shows what American schools could learn from Singapore
Vox
When is Cheryl's birthday? And why are students being forced to figure it out?
104 months ago
The Maths Problem That's Gone Viral: When The Hell Is Cheryl's Birthday?
ScienceAlert
For Albert to be certain that Bernard can't possibly work out Cheryl's birthday after being told the date, it means that he must be sure the...
108 months ago