Reckon you have the sharpest of minds and the IQ of a modern day Einstein? It’s time to put that theory to the test with this mind-boggling brainteaser that is leaving Brits scratching their headsReckon you have the sharpest of minds and the IQ of a modern day Einstein? It’s time to put that theory to the test with this mind-boggling brainteaser that is leaving Brits scratching their heads