Wat I know is.. They grade ppls by whether if they think these
testie can drive carefully or not. If they dont find u safe, they
cant find numerous amount of faults for u one.
Btw, heard tat they can only pass a certain amount of ppl per
day.
My past experience... the more toot or decent u look on ur test
day, u pass easily. A couple of my frds (those very decent type),
pass on the first test. Den the rest (including me) when down with
more colorful cloths, dye hair fail at least once! Wonder is it
becos of our way of dressing or not. Then the 2nd time (sch holi) i
went, den i wear until very chin cai cos no go out.. and manage to
pass with little mistake!