250 quid
monkey
20 quid.
The pound is the unit of currency in the UK - it's what the English call their money instead of 'dollars'.
The closest word to chance in rhyming slang is chancer, and there are two versions. Chancer ... Ballet Dancer ("Cor he ain't half a Ballet Dancer") Chancer (someone not qualified) ... Bengal Lancer
250 pounds = 17st 12lb