Can You Solve the Viral Math Problem About Cheryl's Birthday?

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'When is Cheryl's birthday?' The maths problem set for teenagers that has baffled the world

http://www.dailymail.co.uk/sciencet...pore-teenagers-left-people-world-stumped.html

It was set as a maths problem, aimed at testing the logical reasoning skills of 14-year-olds in Singapore.

But the question went viral after people across the world were left completely baffled.

The problem, which tests logical reasoning, has been shared thousands of times online as people have tried to pose their best explanations of what at first appears to be an impossible question.

Here is this question, can you solve it?
http://i.dailymail.co.uk/i/pix/2015..._solve_the_taxing_maths-a-3_1428945849156.jpg
 
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This is a good logic puzzle. I got tripped up by Bernards second statement after eliminating two months then says he knows now. It almost seems to be a leap of faith is needed here to figure it out.

The jumping back and forth between Albert, Bernard and Cheryl is definitely confusing.
 
It is a suduko problem!