Wrote mine last year.d bank has its specific test format,which is divided into 3 parts.bt gmat will b helpful and u hv to b fast n accurate.
1:numeric:master percentage n word problems.for d verbal,u must study antonyms n synonyms,fill in d gap statements and word relationships
3:current affairs:know d name of d bank,abt d ceo,directors and latest developments in d financial industry.
good luck n c u soon at 57 marina,lagos