First of all, you shouldn't smoke weed while you are taking Ritalin. And second, no it won't help you pass. Sorry.
There are currently studies that have shown chewing bubble gum can help you concentrate while studying. It has also linked to better test taking when a person chews the same flavor of gum while taking the test that they chewed on while studying for that test.
Yes
NO
no, that is rediculous.
no
No.
It takes about 30 days for marijuana to get out of your system. 2 or 3 days minimum but it can linger up to a month.
No, they can't . There is a seperate test for it and it can be detected by urine or hair folicle test.
vinegar
Yes, my sixth grade teacher says they don't but they do.
take a shot of vinegar and drink tons of water. This will help a bit, but if you are a heavy user i think your SOL.