Frequencies greater than or equal to 22 kHz are inaudible to : GMAT Data Sufficiency (DS)
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 04 Dec 2016, 12:40

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# Frequencies greater than or equal to 22 kHz are inaudible to

Author Message
TAGS:

### Hide Tags

Manager
Joined: 05 Sep 2012
Posts: 79
Followers: 2

Kudos [?]: 7 [0], given: 17

Frequencies greater than or equal to 22 kHz are inaudible to [#permalink]

### Show Tags

18 Dec 2012, 07:41
1
This post was
BOOKMARKED
00:00

Difficulty:

(N/A)

Question Stats:

5% (00:00) correct 95% (00:17) wrong based on 22 sessions

### HideShow timer Statistics

Frequencies greater than or equal to 22 kHz are inaudible to the human ear. Is frequency F audible to the human ear?

(1) Frequency G is 16 kHz.
(2) Frequency F is three kHz higher than Frequency G.

[Reveal] Spoiler:
E

Statement (1) doesn’t tell us about Frequency F; INSUFFICIENT. Statement (2) only gives us Frequency F in terms of Frequency G; INSUFFICIENT. Combined, the statements are a trap set in Critical Reasoning/Inference fashion – we know that frequencies +/= 20 kHz are inaudible to the human ear, but we don’t know that all frequencies below 20 kHz are necessarily audible to the human ear. (Remember that a statement like “All frequencies above 22 kHz are inaudible” does NOT imply that “all frequencies under 22 kHz are audible”.)
[Reveal] Spoiler: OA

Last edited by Bunuel on 18 Dec 2012, 07:55, edited 1 time in total.
Edited the question.
VP
Status: Been a long time guys...
Joined: 03 Feb 2011
Posts: 1420
Location: United States (NY)
Concentration: Finance, Marketing
GPA: 3.75
Followers: 174

Kudos [?]: 1299 [1] , given: 62

Re: Frequencies greater than or equal to 22 kHz are inaudible to [#permalink]

### Show Tags

18 Dec 2012, 10:58
1
KUDOS
Statement 1 gives the value of G of which we are not concerned. Not sufficient.
Statement 2 gives a just relation between G and F. Not sufficient.

Now on combining we merely get to know that frequency of F is 19kHz.
Given fact is: Frequencies greater than or equal to 22 kHz are inaudible to the human ear. BUT it doesn't tells us the exact value beyond which the inaudibility starts.

consider the example: integers less than or equal to -5 are negative. But does really the negative numbers start from -5? No. We need the exact value beyond which the negative range starts to say even something.

The same principle applies here.
Hope that helps.
_________________
Manager
Joined: 05 Sep 2012
Posts: 79
Followers: 2

Kudos [?]: 7 [0], given: 17

Re: Frequencies greater than or equal to 22 kHz are inaudible to [#permalink]

### Show Tags

18 Dec 2012, 11:11
I first chose C.

But after going through the OE, it is clear that it's E. Did not except a CR like question in Quant...
Intern
Joined: 17 Dec 2012
Posts: 4
Followers: 0

Kudos [?]: 2 [0], given: 2

Re: Frequencies greater than or equal to 22 kHz are inaudible to [#permalink]

### Show Tags

19 Dec 2012, 22:28
soumens wrote:
I first chose C.

But after going through the OE, it is clear that it's E. Did not except a CR like question in Quant...

yes, it is a CR type question...

analogy:

qtn: if you do >=22 mistakes, you don't pass GMAT....did you pass GMAT?

statements combined: you did 19 mistakes...it does not mean that you passed as it it did not say <=22 mistakes will make you pass the exam..
Re: Frequencies greater than or equal to 22 kHz are inaudible to   [#permalink] 19 Dec 2012, 22:28
Similar topics Replies Last post
Similar
Topics:
4 Is the average age of the students taking SAT greater than 22? 3 20 Feb 2016, 23:14
If x is an integer greater than 1, is x equal to 2^k for 3 09 Jan 2011, 00:33
8 For all z, [z] denotes the least integer greater than or equal to z. 7 16 Aug 2010, 19:02
46 If the integer n is greater than 1, is n equal to 2? 26 23 May 2010, 20:28
33 If k is an integer greater than 1, is k equal to 2^r for 25 29 Dec 2009, 09:00
Display posts from previous: Sort by