GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2509
Given Kudos: 1058
GPA: 3.39
If [z] denotes the greatest integer less than or equal to z and [z] =
[#permalink]
30 Apr 2022, 11:35
30 Apr 2022, 11:35
1
Expert Reply
2
Bookmarks
00:00
Question Stats:
33% (00:45) correct
66% (01:17) wrong based on 6 sessions
Hide Show timer Statistics
If [z] denotes the greatest integer less than or equal to z and [z] = -1 which of the following statements must be true?
A. z = -1
B. -2 ≤ z < -1
C. -2 < z ≤ -1
D. -1 ≤ z < 0
E. -1 < z ≤ 0
A. z = -1
B. -2 ≤ z < -1
C. -2 < z ≤ -1
D. -1 ≤ z < 0
E. -1 < z ≤ 0
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: If [z] denotes the greatest integer less than or equal to z and [z] =
[#permalink]
30 Apr 2022, 13:10
30 Apr 2022, 13:10
2
GeminiHeat wrote:
If [z] denotes the greatest integer less than or equal to z and [z] = -1 which of the following statements must be true?
A. z = -1
B. -2 ≤ z < -1
C. -2 < z ≤ -1
D. -1 ≤ z < 0
E. -1 < z ≤ 0
A. z = -1
B. -2 ≤ z < -1
C. -2 < z ≤ -1
D. -1 ≤ z < 0
E. -1 < z ≤ 0
Let's make sure we understand what this [] symbol means.
Here are a few examples:
[3.1] = 3
[5.8] = 5
[0.7] = 0
[-0.9] = -1
[-4.6] = -5
So, if [z] = -1, then -1 ≤ z < 0
Answer: D
Cheers,
Brent
gmatclubot
Re: If [z] denotes the greatest integer less than or equal to z and [z] = [#permalink]
30 Apr 2022, 13:10
Moderators:
