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.
The operation * is defined on the set of real numbers by ab ∗ = the
[#permalink]
23 Jun 2021, 05:51
23 Jun 2021, 05:51
1
Expert Reply
1
Bookmarks
00:00
Question Stats:
56% (01:02) correct
43% (00:59) wrong based on 60 sessions
Hide Show timer Statistics
The operation * is defined on the set of real numbers by a*b = the larger of the numbers a and b . If a*0.5=0.5 , which CANNOT be a value for a ?
Indicate all such values.
A.0.4
B. 1/2
C. 5/11
D. \(\sqrt{2}\)
E. \(\sqrt{3}\)
F. \(\frac{1}{\sqrt{2}}\)
Indicate all such values.
A.0.4
B. 1/2
C. 5/11
D. \(\sqrt{2}\)
E. \(\sqrt{3}\)
F. \(\frac{1}{\sqrt{2}}\)
Re: The operation * is defined on the set of real numbers by ab ∗ = the
[#permalink]
24 Jun 2021, 03:21
24 Jun 2021, 03:21
2
\(a*b = \)the larger of the numbers \(a\) and \(b\) .
\(a*0.5=0.5\)
So \(0 < a ≤ 0.5\)
D E F are outside of this range and are the answers.
\(a*0.5=0.5\)
So \(0 < a ≤ 0.5\)
D E F are outside of this range and are the answers.
Re: The operation * is defined on the set of real numbers by ab ∗ = the
[#permalink]
14 Jul 2021, 21:55
14 Jul 2021, 21:55
Why is B not the answer? because b=0.5, and clearly, none of them are greater
