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.
Sep 28Live Online Class with Top GRE Expert Mike Butville
08:00 PM EDT
-10:00 PM EDT
Top scores are possible when you enroll in a powerful GRE course, taught live online + 6 months access to TTP GRE OnDemand video courses included! Class starts Mon/Wed Sept. 28, 2026 - Dec. 9, 2026, 8:00pm-10:00pm EST
For all nonzero integers l and m, let the operation § be def
[#permalink]
26 Mar 2018, 15:51
26 Mar 2018, 15:51
Expert Reply
2
Bookmarks
00:00
Question Stats:
84% (00:41) correct
15% (01:38) wrong based on 33 sessions
Hide Show timer Statistics
For all nonzero integers l and m, let the operation § be defined by l § m \(= - \mid \frac{l+m}{lm} \mid\).
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
3§ \(\frac{3}{2}\) |
-1 |
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
Drill 2
Question: 3
Page: 549
Question: 3
Page: 549
Sherpa Prep Representative
Joined: 15 Jan 2018
Posts: 147
Given Kudos: 0
Re: For all nonzero integers l and m, let the operation § be def
[#permalink]
04 Apr 2018, 04:18
04 Apr 2018, 04:18
1
Expert Reply
In a fake function problem like this we simply need to follow their instructions. In this case, add the terms on either side of the §, then multiply them and divide the former result by the latter result. Then get its absolute value and slap a minus sign on the whole thing. Let's do it.
In quantity A, for the numerator:
3 + 3/2 = 9/2
For the denominator:
3x(3/2) = 9/2
If we divide 3/2 by 3/2 obviously we'll get 1. Since -|1| = -1, the answer must be C.
In quantity A, for the numerator:
3 + 3/2 = 9/2
For the denominator:
3x(3/2) = 9/2
If we divide 3/2 by 3/2 obviously we'll get 1. Since -|1| = -1, the answer must be C.
Re: For all nonzero integers l and m, let the operation § be def
[#permalink]
04 Apr 2018, 15:59
04 Apr 2018, 15:59
1
Expert Reply
Explanation
When a problem gives you a relationship signified by an unfamiliar symbol: Just plug in the given values into the given “function” and solve.
If l § m=\(-|\frac{l+m}{lm}|\) then 3 §\(\frac{3}{2}\)=\(-|\frac{3+ 1.5}{3 \times 1.5}|=-1\).
The quantities are equal, so select choice (C).
When a problem gives you a relationship signified by an unfamiliar symbol: Just plug in the given values into the given “function” and solve.
If l § m=\(-|\frac{l+m}{lm}|\) then 3 §\(\frac{3}{2}\)=\(-|\frac{3+ 1.5}{3 \times 1.5}|=-1\).
The quantities are equal, so select choice (C).
