Find all School-related info fast with the new School-Specific MBA Forum

It is currently 29 Aug 2014, 02:31

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

The ave (arithmetic mean) daily maximum temperature at a

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Senior Manager
Senior Manager
avatar
Joined: 23 May 2005
Posts: 266
Location: Sing/ HK
Followers: 1

Kudos [?]: 9 [0], given: 0

GMAT Tests User
The ave (arithmetic mean) daily maximum temperature at a [#permalink] New post 30 Oct 2006, 05:09
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
The ave (arithmetic mean) daily maximum temperature at a certain weather station from July12 to July19 was 5 degrees higher than the average daily minimum temperature from July 13 to July 18. What was the maximum temperature on July 12?

(1) The average (arith mean) daily maximum temperature from July 13 to July 18 was 4 degrees less than the maximum temperature on July 19

(2) The average (arith mean) dailiy maximum temperature from July 12 to July 19 was 64 degrees
_________________

Impossible is nothing

Senior Manager
Senior Manager
User avatar
Joined: 01 Sep 2006
Posts: 302
Location: Phoenix, AZ, USA
Followers: 1

Kudos [?]: 13 [0], given: 0

GMAT Tests User
[#permalink] New post 30 Oct 2006, 08:45
12-19th avg temp = X or sum temp = 8X
13-18 avg temp = Y or sum temp = 6Y

Stem X-Y= 5 (A)

(1) Y = T(Jul19) -4 (B)



Using (A and B) three variables 2 equations INSUFF

(2) X=64 (C)

Using (A and C) three variables 2 equations INSUFF

Using (1) and (2) we can get answer SUFF

In this Q we donot need to solve I have made an attemp any way

Unsing A B C we can derive T on July 12
Y = 59

T(july19) = 59+4 = 63

Sum of Tmep on July 12 and July 19 = 8X - 6Y
Y=59X = 64


July 12 + july 19 = 8*64 - 6*59= 512-354= 158

July 19 = Y + 4 = 59+4=63

July 12 = 158- 63
Manager
Manager
avatar
Joined: 04 Jan 2006
Posts: 58
Followers: 1

Kudos [?]: 1 [0], given: 0

 [#permalink] New post 31 Oct 2006, 14:01
It should be E.

Damager,
The ave (arithmetic mean) daily maximum temperature at a certain weather station from July12 to July19 was 5 degrees higher than the average daily minimum temperature from July 13 to July 18. What was the maximum temperature on July 12?

Question stem gives ave minimum temp from 13th to 18th.

Stmt 1 says average max temp from 13th to 18th.

So there are 4 variables. Ther are only 3 equations.
  [#permalink] 31 Oct 2006, 14:01
    Similar topics Author Replies Last post
Similar
Topics:
If the average (arithmetic mean) of 5 positive temperatures sonibubu 1 22 Jan 2008, 08:26
2 Experts publish their posts in the topic If the average (arithmetic mean) of x and y is 60 and the av tinman1412 10 23 Jul 2007, 18:33
1 Experts publish their posts in the topic If the average (arithmetic mean) of 5 positive temperatures ivymba 5 27 Aug 2006, 20:33
1 Experts publish their posts in the topic If the average (arithmetic mean) of 5 positive temperatures SimaQ 7 04 Jun 2006, 02:44
If the average (arithmetic mean) of 5 positive temperatures AMBA 6 14 Oct 2005, 11:43
Display posts from previous: Sort by

The ave (arithmetic mean) daily maximum temperature at a

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.