20 is the best brain age. ( my best score is 7/10 calculate BA = 20 but i want to know 10/10 how many BA calc. =? and I cheat by printscr button on keyboard and paste in paint program ;D and i've known by win this test 10 times challenge. BA = 20 is best score if more than this it's perform ur brain r old and low efficiency.)
7/10 8/10 9/10 10/10 - 20 is best score . but 7/10 is show by ur miss order between 20-25.
7/10 8/10 9/10 10/10 - 20 is best score . but 7/10 is show by ur miss order between 20-25.
... i'm 20 y.o. ;)