Last visit was: 10 Sep 2026, 13:02 It is currently 10 Sep 2026, 13:02
Home
Messages
Tests
Schools
Events
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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel
Back to Forum
Create Topic
User avatar
Bunuel
User avatar
Math Expert
Joined: 02 Sep 2009
Last visit: 10 Sep 2026
Posts: 113,411
Own Kudos:
840,519
Given Kudos: 111,453
Products:
GMAT Club Tests
Expert
Expert reply
Active GMAT Club Expert! Tag them with @ followed by their username for a faster response.
Posts: 113,411
Kudos: 840,519
A national astronomy network maintains 12 observatories in several 10 Sep 2026, 12:56
Kudos
Add Kudos
Bookmarks
Bookmark this Post
00:00
Start Timer
Pause Timer
Resume Timer
Show Answer
Hide Answer
Hide
Show
History
Among the observatories first used before 1950, the median number of years between the first and most recent years of use was greater than 100 years.: False Among the observatories in the West region, Juniper had the greatest ratio of survey projects to total projects.: True The observatory with the greatest number of total projects among those first used after 1950 is located in the West region.: False
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

History

Date
Time
Result
Not Attempted Yet
A national astronomy network maintains 12 observatories in several regions of the country. The table gives the first and most recent years in which each observatory was used, together with the numbers of imaging, spectroscopy, and survey projects conducted there.

ObservatoryRegionFirst year
used		Most recent
year used		Imaging
projects		Spectroscopy
projects		Survey
projects		Total
projects
AuroraNorth1912202521012035365
BeaconEast193420251809528303
CedarWest19682025724416132
DesertSouth1898202526014045445
EagleWest1975201848321090
FrontierCentral19462025968820204
GraniteNorth1922202015510224281
HighlandEast195120251305418202
JuniperWest1982202544301690
MesaSouth1939202517011027307
OrionCentral1905202524013241413
PineWest199120254226876

For each statement, select True if the statement can be determined to be correct from the information provided. Otherwise, select False.
True False
Among the observatories first used before 1950, the median number of years between the first and most recent years of use was greater than 100 years.
Among the observatories in the West region, Juniper had the greatest ratio of survey projects to total projects.
The observatory with the greatest number of total projects among those first used after 1950 is located in the West region.
Submit Answer
Start the Timer above, select the radio buttons, and click "Submit" to add this question to your Error log.


The OA will be automatically revealed on Sunday 13th of September 2026 12:56:01 PM Pacific Time Zone
Moderators:
Bunuel
Math Expert
113411 posts
FrozenDragon
DI Forum Moderator
409 posts