oh...i'm not sure what do you mean by that...lol..but, my first language is Farsi (Persian), and 2nd English, of course...currently, i live in Canada...but, if you have any contests with any other language, please tell me, cause i have several sources of dictionaries/translators;)...thanks
ok...thanks a lot...but, IPHO is too tough for me... I'm looking for easier practice problems...btw, OAPT (Ontario Association of Physics Teachers) and SIN (Sir Isaac Newton) contest is for the University of Waterloo and OAPT is generally for Ontario (Canada)...and by Gr.11, i meant "grade 11"...
Hi everyone,
i'm looking for some some practice questions for the OAPT contest...it really doesn't matter which contest it is, just some Gr. 11 contest questions, like the SIN one...thanks
Hi agian...
I have one of those hand shaking problems..it says:
There are 14 couples. There is some shaking of hands. No one shakes hand of their date. No one shakes hands more than once with anyone person. A boy asks each person how many times they shook hands. Each person gave him a...
hi everyone...
how many arrangements of this word "aabbcccdddd" is possible if we only use 3 of them? I know if we could use all of them it would just be 11!/(2!2!3!4!), but what if we only use 3? :confused:
Thanks in advance