GMAT Prep Ques-1

This topic has expert replies
Newbie | Next Rank: 10 Posts
Posts: 5
Joined: Tue May 27, 2008 1:44 am
Location: Singapore

GMAT Prep Ques-1

by Tarnbir » Sat Oct 11, 2008 8:45 am
Hi Guys I just took a gmat prep test and got a few qs wrong am posting them here so the math gurus can explain

Square root of X^2/X
-1
0
1
X
Mod X/X

OA will follow soon, thanks

Master | Next Rank: 500 Posts
Posts: 154
Joined: Tue Aug 26, 2008 12:59 pm
Location: Canada
Thanked: 4 times

by canuckclint » Sat Oct 11, 2008 8:49 am
Its gotta be 1. Please tell me I am right.

srt(x^2) = x^(2/2) = x
x divided by x is 1

Senior | Next Rank: 100 Posts
Posts: 67
Joined: Tue Sep 16, 2008 9:29 pm
Location: new york
Thanked: 2 times

by Gmatss » Sun Oct 12, 2008 4:42 pm
it should be E
Square root of x^2 is + or - value.
so it's 1 or -1 therefore e