-
BTGmoderatorDC
- Moderator
- Posts: 7187
- Joined: Thu Sep 07, 2017 4:43 pm•Followed by: 23 members
Let's take each statement one by one.BTGmoderatorDC wrote: ↑Fri Jan 17, 2020 4:03 pmWhat is the value of n?
(1) 36n ≥ n^2 + 324
(2) 325 > n^2 > 323
OA A
Source: Veritas Prep
(1) 36n ≥ n^2 + 324
0 ≥ n^2 –36n + 324
0 ≥ (n – 18)^2
n = 18. Sufficient
(2) 325 > n^2 > 323
Many values of n are possible. We cannot assume that n is an integer. Even if it were so, n = ± 18. Insufficient.
The correct answer: A
Hope this helps!
-Jay
_________________
Manhattan Review
Locations: Manhattan Review Kukatpally | GMAT Prep Jayanagar | GRE Prep Tarnaka | Madhapur GRE Coaching | and many more...
Schedule your free consultation with an experienced GMAT Prep Advisor! Click here.
