GMAT Prep
This topic has expert replies
Source: Beat The GMAT — Problem Solving |
-
4meonly
- Legendary Member
- Posts: 891
- Joined: Sat Aug 16, 2008 4:21 am
- Thanked: 27 times
- Followed by:1 members
- GMAT Score:660(
PLEASE POST DS QUESTIONS IN DS SECTION
(1)
1/(k-1)>0
k-1>0
k>1, means that k is always positive
if k>1, then 1/k >0 because 1 and k are positive
SUFF
(2)
1/(k+1)>0
k+1>0
k>-1
k can be as negative from -1 to 0 as positive from 0
INSUFF
A
(1)
1/(k-1)>0
k-1>0
k>1, means that k is always positive
if k>1, then 1/k >0 because 1 and k are positive
SUFF
(2)
1/(k+1)>0
k+1>0
k>-1
k can be as negative from -1 to 0 as positive from 0
INSUFF
A
