Buggy In 2 cases of 3 there were no questions only the timer and the possible answers. I gave it 3 tries, and I'm not impressed by the software quality.
Bugged 135/5 + 14*6 = a) -110 ; b) -191 ; c) -41 ; d) -24 ?????
Uninstall!!!!! super hate this app waste of time like really!!!
#1 I am iranian and i am #1
-Several bugs fixed