my latest gmat prep score is 640(quant- 48, verb-27)
my problem is i get tired after 30 quest. in quant. and then i goof up on every successive question. Plz recommend me any method to improve my stamina and comprehenshion while in stress
my problem is i get tired after 30 quest. in quant. and then i goof up on every successive question. Plz recommend me any method to improve my stamina and comprehenshion while in stress












