Can You Solve This? This Math Problem Is Confusing the Internet

Can you solve this math problem that was given to 15 to 17 year olds in Singapore?

Math Logic Problem Singapore


This question was a test to Secondary 3 and 4 students (15 to 17 year-olds) competing in the Singapore and Asean Schools Math Olympiads (SASMO). 

It was said to be leaked from the competition’s booklets. It will be replaced by the time Cambodia runs the competition.

Go on, give it try.

No Googling for answers.

What do you think?

When is Cheryl’s birthday?

Post your answers and explanation in the comments below.