don't have an OA for this question--also, don't really understand the prompt.
If X>0.9, which of the following equals to X?
A. 0.81^1/2 B. 0.9^1/2 C. 0.9^2 D. 1-0.01^1/2
5-Day Free Trial
5-day free, full-access trial TTP
Available with Beat the GMAT members only code
MORE DETAILS
Difficult Math Question #40 - Algebra
This topic has expert replies
-
ajith
- Legendary Member
- Posts: 1275
- Joined: Thu Sep 21, 2006 11:13 pm
- Location: Arabian Sea
- Thanked: 125 times
- Followed by:2 members
800guy wrote:don't have an OA for this question--also, don't really understand the prompt.
If X>0.9, which of the following equals to X?
A. 0.81^1/2 B. 0.9^1/2 C. 0.9^2 D. 1-0.01^1/2
A. 0.81^1/2 =0.9 is not X because X is greater than .9
B. 0.9^1/2 = This is greater than 0.9 and less than 1.0
C. 0.9^2 =0.81 Again does not satisfy the condition
D. 1-0.01^1/2= 1-0.1=0.9 is not X because X is greater than 0.9
B satisfy the condition X>0.9
