GMAT prep time

Hi Guys, I am 29 and would like to pursue and MBA… what is an average prep time to give a GMAT? 4-5months of prep with 6-8hrs prep every weekend sufficient?

Hi Guys,

I am 29 and would like to pursue and MBA... what is an average prep time to give a GMAT? 4-5months of prep with 6-8hrs prep every weekend sufficient?