Albert,Bernard and Cheryl’s threesome sets the web aflutter How to solve Albert, Bernard and Cheryl’s birthday maths problem Why this problem turned into the maths version of #thatdressCheryl’s birthday puzzle part two, or Denise’s revenge - can you solve it?Singapore normally comes top,or nearly top, of the international rankings in primary maths performance.
And when you read this question – you can see why. It’s an excellent logical puzzle, or which will stump most adults.
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Source: theguardian.com