Nigerian Breweries Calls for Interview

Just recieved a mail from Nigerian Breweries for an Interview at Iganmu. But i wrote the test organised by mactays consult. The mail is below

Dear Candidate,

We wish to congratulate you on your success in the aptitude test and are pleased to invite you for the next stage in our recruitment process which is the interview.

Be informed that you will undergo a numerical literacy test before proceeding to the interview proper.

Please house, has anyone writen the numerical literacy test before?????
I just want to know what to expect for that part

Thanks House