This math question went viral yesterday, hailing from Singapore. It said that it was a math question for primary 5 students, which will you leave you stumped because most adults probably can't solve it.
The math question is actually for a contest from the Singapore and Asian Schools Math Olympiad, and is meant for Secondary 3 and 4 students. Still very hard!
Here's the question:
![](https://fooyoh.com/files/attach/images/591/806/880/014/mathquestion1.jpg)
Cheryl, tells Albert what month her birthday is (May, June, July, or August) but not the day's number (the 14th - 19th), and she tells Barnard the number, but not the month.
![](https://fooyoh.com/files/attach/images/591/806/880/014/mathquestion3.gif)
Just like Cheryl!
Obviously, Cheryl is either trying to tease the two boys, or is just plain lousy at communication. Here's how to solve the question:
![](https://fooyoh.com/files/attach/images/591/806/880/014/mathquestion2.png)