It is currently 26 Jun 2019, 09:51

### GMAT 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

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# If x and y are distinct prime numbers, which of the followin

Author Message
TAGS:
GRE Instructor
Joined: 10 Apr 2015
Posts: 2027
Followers: 62

Kudos [?]: 1841 [1] , given: 9

If x and y are distinct prime numbers, which of the followin [#permalink]  08 Apr 2019, 09:41
1
KUDOS
Expert's post
00:00

Question Stats:

100% (00:56) correct 0% (00:00) wrong based on 1 sessions
If x and y are distinct prime numbers, which of the following could be true?

A. $$\frac{x^y}{y}$$ is an odd integer

B. $$x^2y^3=x^2$$

C. $$\frac{y^x}{4}$$ is an even integer

D. $$\frac{xy}{2}$$ is an even integer

E. $$x^y=y^x$$
[Reveal] Spoiler: OA

_________________

Brent Hanneson – Creator of greenlighttestprep.com

GRE Instructor
Joined: 10 Apr 2015
Posts: 2027
Followers: 62

Kudos [?]: 1841 [1] , given: 9

Re: If x and y are distinct prime numbers, which of the followin [#permalink]  09 Apr 2019, 17:31
1
KUDOS
Expert's post
GreenlightTestPrep wrote:
If x and y are distinct prime numbers, which of the following could be true?

A. $$\frac{x^y}{y}$$ is an odd integer

B. $$x^2y^3=x^2$$

C. $$\frac{y^x}{4}$$ is an even integer

D. $$\frac{xy}{2}$$ is an even integer

E. $$x^y=y^x$$

The keyword here is COULD.

Scanning the answer choices, I see that C could be true.
If x = 2 and y = 3, then (x^y)/4 = (2³)/4 = 2, and 2 IS an even integer.

Cheers,
Brent
_________________

Brent Hanneson – Creator of greenlighttestprep.com

Re: If x and y are distinct prime numbers, which of the followin   [#permalink] 09 Apr 2019, 17:31
Display posts from previous: Sort by