So when is Cheryl's birthday? Students were asked to determine the birthday of a girl called Cheryl, who had given new friends Albert and Bernard a list of 10 possible dates and told one boy the month and the other the day . It all started when Kenneth Kong, a television show host in Singapore, posted the following problem to Facebook: Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. Cheryl first gives them a list of 10 possible dates: Aug 14: Aug 15: Aug 17: May 15: May 16: May 19: Jul 14: Jul 16: Jun 17: Jun 18: Here's full details on the puzzle. If Albert was told August, he still would not be sure. Cheryl gives them a list of 10 possible dates. Thus, for this statement by Albert to be true means that Cheryl did not say to Albert, "May" or "June." (Again, for logic puzzles, the possibility that Albert is lying or confused is off the table.) (1) May 15 (2) May 16 (3) May 19 (4 . Enjoy! Explanation: Person A met his old friend on New Year that is on January 1. The "Cheryl's birthday" puzzle has been circulating around, the backstory is available via wikipedia. We can eliminate: August 15, August 17. At first, it was reported that this problem was given to 11 year old students, which prompted an outcry about the unreasonable difficulty of . May 15. Cheryl gives a list of 10 possible dates: Cheryl tells Albert the month and Bernard the day of her birthday. Cheryl then tells Albert and Bernard separately the month and the day of her birthday respectively. She gives . While this narrows down the field, most would have found that there're still a set of possible answers: Cheryl's age x bro's age x bro's age: 1 x 12 x 12. A global math Olympiad problem has gone viral on Facebook. Cheryl Birthday Puzzle. Albert and Bernard also begin with only the information they are told in secret. Cheryl's Birthday is the unofficial name given to a mathematics brain teaser which was posted online on 10 April 2015, going viral in a matter of days. Raccolta personale di giochi ed enigmi matematici. Cheryl gives them a list of 10 possible dates. Cheryl gives them a list of 10 possible dates. August 14 15 17. THE PUZZLE OF ALBERT, BERNARD AND CHERYL'S BIRTHDAY UMESH P. NARENDRAN This puzzle became viral on social media in April 2015, despite being very trivial to solve. Argument 1: Albert says, I don't know when Cheryl's birthday is, but I know that Bernard doesn't know too. She disappears after Harry crashes his car upon arriving in the town, and finding her becomes his primary objective throughout the game. She gives them a list of 10 possible dates: May 15, May 16, May 19. 4 x 6 x 6. Ladies and gentlemen and PuzzleNationers of all sorts, today . May 15, May 16, May 19, June 17, June 18, July 14 . I expect that nearly everyone here at stackexchange is by now familiar with Cheryl's birthday problem, which spawned many variant problems, including a transfinite version due to Timothy Gowers. Cheryl does not reveal the date of her birthday. May 15 16 19. Cheryl gives them a list of 10 possible dates. Cheryl marks 10 possible dates: May 15, May 16, May 19, June 17, June 18, July 14, July . August 14 August 15 August 17. June 17, June 18. July 14 July 16. High-quality Cheryl Birthday Ideas jigsaw puzzles designed and sold by independent artists. Press J to jump to the feed. August 14 August 15 August 17. Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. Press question mark to learn the rest of the keyboard shortcuts Cheryl's birthday problem has been extrmeley viral on facebook and whatsapp since 2015 till date. Aug 17. In this puzzle, two guys named Albert and Bernard ask their friend Cheryl when her birthday is. In the initial problem, the reader is unaware of Cheryl's birthday. The problem reads: Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. Question: Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. So she gives her friends Albert and Bernard a list of 10 possible . Only 18 and 19 appear once across the 10 combinations. . A school maths question posted on Facebook by a Singaporean TV presenter has stumped . May 15, May 16, May 19. Cheryl`s Birthday Puzzle . But never before have we confronted a puzzle with as much backstory as today's contender. Cheryl's Birthday Problem. Cheryl gives them a list of 10 possible dates. 1,188.2K Views. June 17 June 18. The SASMO version of the question was posted on Facebook by Singapore television presenter Kenneth Kong on April 10, 2015, and quickly went viral. download Report . Cheryl thought for a moment and said, "I won't tell you, but I'll give you some clues". The quiz asked readers to guess the birthday of a girl named Cheryl using a handful of clues given to her friends Albert and Bernard. Cheryl then tells Albert and Bernard separately the . Cheryl gives them a list of 10 possible dates. This puzzle was part of the Singapore and Asian Schools Math Olympiads (Sasmo), aimed at students around 15 years old. She wrote down a list of ten dates: May 15, May 16, May 19; June 17, June 18; July 14, July 16; August 14, August 15, August 17 "One of these is my birthday . This year on December 31 person B will be of age 27 and next year his age will be 28. The unofficial solution of August 17 is based on the assumption that Cheryl would not tell Bernard either 18 or 19. What I want to know is how the hell people can find . Cheryl's Birthday Puzzle. If Albert now knows for certain when Cheryl's birthday is he must have been told the month of July, as if it was August there would be two possible options. June 17 18. Albert: I don't know what her birthday is but I know for sure that Bernard does not know. Cheryl then tells Albert and Bernard separately the . This problem went viral after it appeared on a Math Olympiad test for talented students in Singapore. 1. May 16. It's not a trick question! August 17. "When is your birthday?" Albert asked Cheryl. Cheryl gave them a list of 10 possible dates: May 15 May 16 May 19 June 17 June 18 July 14 July 16 August 14 August 15 August 17. Origin. Albert: I don't know when Cheryl's birthday is, but I know that Bernard does not know too. If Albert was told August, he still would not be sure. Aug 15. Show Ads. June 17, August 17. Solve this logic sequence puzzle by the correct digit- 8080 = 6 1357 = 0 2022 = 1 1999 = . July 14, July 16. So he must have been told 15, 16, or 17. June 17 June 18. August 15. So let's eliminate the choices argument by argument. Cheryl gives them a list of 10 possible dates. Cheryl's Birthday Problem: Cheryl gives Albert and Bernard 10 possible dates for her birthday and also a few clues. Choose from 30-piece, 110-piece, 252-piece, 500-piece, and 1000-piece puzzles. July 14 July 16. They get the following information: . Cheryl gives them a list of 10 possible dates. An early version of Cheryl's Birthday, with different names and dates, appeared in an online forum in 2006. Recently a thought-provoking problem was popularized: the "Cheryl's Birthday" problem. Albert finally explains, "Now I know when Cheryl's birthday is.". The purpose of this article is to trace the origin of Cheryl's Birthday Puzzle and other related puzzles, discuss the . Transcription . Denise gave them a list of 20 . Instead, she gives the two a list of ten different dates, saying that one of these dates is her birthday. The logic question posted by Mr Kong is now known as 'Cheryl's Birthday'. Albert has therefore deduced that the possible dates are July 16, Aug 15 and Aug 17. The Problem Albert and Bernard just become friends with Cheryl, and they want to know when her birthday is. St. Rather than telling the two when her birthday is like a normal person she gives them a series of dates. Perhaps you saw this logic problem, purported to have been given to fifth graders in Singapore, flying around social media yesterday: That's right: a logic problem has gone viral. August 15 August 17. Albert, Bernard and Cheryl became friends with Denise, and they wanted to know when her birthday is. The problem "Cheryl's Birthday" needs rewording. Therefore, Cheryl said July to Albert and 16 to Bernard. May 15 May 16 May 19 June 17 June 18 . Cheryl then tells Albert and Bernard separately the month and the day of her birthday, respectively. August 14 15 17. An early version of Cheryl's Birthday, with different names and dates, appeared in an online forum in 2006. Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. Here is the text: (Advanced) Cheryl's Birthday Puzzle. Albert then says, "Now I know Cheryl's Birthday.". Sections. Cheryl gives them a list of 10 possible dates. So he must have been told July. 15, 2015, 3:35 p.m. May 19. When is Cheryl's birthday? The puzzle was given to high school math students in Singapore. Albert and Bernard have just met Cheryl. 14 April 2015. Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. June 17 18. Kong posted the puzzle following a debate with his wife, and he incorrectly thought it to be part of a mathematics question for a . Albert and Bernard have just met Cheryl, and they ask her when her birthday is. . For those who have already noted Cheryl's birthday in their calendar, and are suffering from withdrawal symptoms, here are other puzzles that have also been making the rounds online: 1. For K-12 kids, teachers and parents. First, let us recall the problem statement. Recently a puzzle that asked the birthdate of Cheryl got popular with the answer of July 16, in which Bernard and Albert have to figure out. We all know by now Singapore Math is not easy, but here is the viral Singapore Math problem that took the world by storm! June 17 . May 15 May 16 May 19. The text of the entry was as follows: . . May 15. Line 3) Albert: Then I also know when Cheryl's birthday is. Cheryl Mason is the adopted daughter of Harry Mason and Jodie Mason in Silent Hill. The puzzle itself is reproduced here: Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. The puzzle asked: Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. For him to now know, he must have been told July . Posts 28,364 Thank Post 2,352 Thanked 14,386 Times in 7,760 Posts Blog Entries 6 Rep Power 4202 May 15, August 15. May 15 May 16 May 19. Here's the question: Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. How to solve the Cheryl's Birthday puzzle programmatically. Cheryl first gives them a list of 10 possible dates: Aug 14. Cheryl gives them a list of 10 dates. The SASMO version of the question was posted on Facebook by Singapore television presenter Kenneth Kong on April 10, 2015, and quickly went viral. Based on the above Albert has worked out that Cheryl's birthday is one of the following: July 16. The puzzle . Cheryl gives them a list of 10 possible dates. Albert and Bernard just became friends with Cheryl, and they want to know her birthday. Albert and Bernard have just become friends with Cheryl, an. Cheryl gives them a list of 10 possible dates. Choose from 30-piece, 110-piece, 252-piece, 500-piece, and 1000-piece puzzles. SEARCH. Birthday Puzzle. 4; 1,054.9K Views. August 14 August 15 August 17. We shall now see how formal logic and Z3 to can be used to simplify the reasoning required to solve Cheryl's birthday puzzle. The combinations are made up of four possible months and dates falling between 14 and 19.
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