Math

Can you pass this logic test from Brazil?

The 17th annual Brazilian Olympiad featured an incredibly tricky logic puzzle that went viral on social media. Thanks to Guilherme who suggested and translated the problem from Portuguese to English!

Pinocchio problem discussions
https://ultimosegundo-ig-com-br.translate.goog/brasil/2022-06-08/questao-obmep-pinoquio-viraliza-personagem-mentiu.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp

Students make memes involving Pinocchio and leak reactions

A question about Pinocchio. What is your opinion about alternative C?
by inaskphilosophy


https://brainly.com.br/tarefa/52854041

Pinocchio illustration
https://en.wikipedia.org/wiki/File:Pinocchio.jpg

See Bram28 explanation for vacuously true
https://math.stackexchange.com/questions/2723860/still-struggling-to-understand-vacuous-truths

Wikipedia vacuous truth
https://en.wikipedia.org/wiki/Vacuous_truth

Wikipedia truth table
https://en.wikipedia.org/wiki/Truth_table#Logical_implication

Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1

Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas!

If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay.

Book ratings are from January 2022.

My Books (worldwide links)

My Books

My Books (US links)
Mind Your Decisions: Five Book Compilation
https://amzn.to/2pbJ4wR
A collection of 5 books:
“The Joy of Game Theory” rated 4.2/5 stars on 224 reviews
http://amzn.to/1uQvA20
“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias” rated 4/5 stars on 24 reviews
http://amzn.to/1o3FaAg
“40 Paradoxes in Logic, Probability, and Game Theory” rated 4.1/5 stars on 38 reviews
http://amzn.to/1LOCI4U
“The Best Mental Math Tricks” rated 4.2/5 stars on 76 reviews
http://amzn.to/18maAdo
“Multiply Numbers By Drawing Lines” rated 4.3/5 stars on 30 reviews
http://amzn.to/XRm7M4

Mind Your Puzzles: Collection Of Volumes 1 To 3
https://amzn.to/2mMdrJr
A collection of 3 books:
“Math Puzzles Volume 1” rated 4.4/5 stars on 87 reviews
http://amzn.to/1GhUUSH
“Math Puzzles Volume 2” rated 4.1/5 stars on 24 reviews
http://amzn.to/1NKbyCs
“Math Puzzles Volume 3” rated 4.2/5 stars on 22 reviews
http://amzn.to/1NKbGlp

2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter.

My Blog
https://mindyourdecisions.com/blog/

Twitter

Merch
https://teespring.com/stores/mind-your-decisions

Patreon
https://www.patreon.com/mindyourdecisions

Press
https://mindyourdecisions.com/blog/press

Products You May Like

Leave a Reply

Your email address will not be published. Required fields are marked *