TestMagic Forums - View Single Post - Is n-1 divisible by 3?

KrazyGMAT · 2009 July 2nd, 10:01 PM

if u choose n=-1 then
its -1(-1+1)=0 not -1...which is divisible by 3....so u cant pick -1 for statement 1.so answer in OA is wrong

2009 July 2nd, 10:01 PM	#12 (permalink)
KrazyGMAT Eager! Join Date: Jun 2009 Location: INDIA Posts: 84	if u choose n=-1 then its -1(-1+1)=0 not -1...which is divisible by 3....so u cant pick -1 for statement 1.so answer in OA is wrong