[Blueisthecolour]

This wasn't racism.

Marcus was mocking the "hoity toity" way that Sree seemed to think that asking people multiplication sums - which he'd obviously worked the answer to out in advance - proved that he was more intelligent than anyone else in the house.
Freddie has also been mimicked for his way of speaking.

It was interesting that when Marcus took on Big Brother for accusing him of racism they backed down so fast that it was unbelievable, and were tripping over themselves to deny that they were accusing him of such a thing.