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Re: Comb.
2 dumb Qs here.
1) nCr. how does this work? 6C1 = ? 6C2 = ?
2) why do we minus 1? uday, sorry, i just want to confirm it. Is it because we have to answer at least 1 correct answer? so getting all 6 wrongs is not an option.
_ _ _ _ SIG _ _ _ _
Please Correct my answers/POE method/reasonings in my post if you can.....
Thanks!
Also, Anyone in Philadelphia Region would like to get together and study or who with proven record is able to tutor me on weekends, Please PM me. Willing to pay for some tutoring.
GMAT Crushed me......
Now, I need help....
Why the hell I did not find this site before GMAT crushed me...........
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