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2016-09-19, 15:12
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#1 |
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Noodles
"Mr. Tuch"
Dec 2007
Chennai, India
3·419 Posts |
Question from Quora.com web site page
This is Question 24 of 25 from the SASMO (Singapore and Asian Schools Math Olympiad) held on Apr 8, 2015 for Secondary 3 and 4 students (15 and 16 year olds). Time allotted for the paper was 1 hour 30 minutes.
'WHEN IS CHERYL'S BIRTHDAY?' Albert and Bernard just became friends with Cheryl, and they want to know when her birthday is. Cheryl gives 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 Cheryl then tells Albert and Bernard separately the month and the day of her birthday respectively. Albert: I don’t know when Cheryl’s birthday is, but I know that Bernard does not know too. Bernard: At first I don’t know when Cheryl’s birthday is, but I know now. Albert: Then I also know when Cheryl’s birthday is. So when is Cheryl’s birthday? For more information, please visit SASMO website: Home |
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2016-09-20, 02:36
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#2 |
Jun 2003
5,087 Posts |
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