BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

DS question-Rate/Work

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Junior | Next Rank: 30 Posts
Posts: 14
Joined: Sun Nov 02, 2008 5:49 pm

DS question-Rate/Work

by Lakers09 » Mon Nov 03, 2008 5:43 pm
can someone please help me out with the below problem

It takes Amy between 6 and 7 minutes to grill a steak, and she can only grill one steak at a time. She does not need to take breaks between steaks. Can Amy finish grilling all the steaks needed for her party before her guests arrive?

(1) Amy needs to grill four steaks for her party.

(2) Amy's guests will arrive in half an hour

I am having trouble on the Both statements TOGETHER are sufficient, but NEITHER one ALONE logic. It says this is incorrect because:

(1) AND (2) SUFFICIENT: Amy will take between 24 and 28 minutes to grill the steaks and her guests will arrive in between 25 and 30 minutes, so we cannot answer the question definitively

** in the problem, it says her guests will arrve in 30min. It dont see where it says they will arrive between 25 and 30min.**

any help would be appreciated. Thanks
Last edited by Lakers09 on Mon Nov 03, 2008 5:54 pm, edited 1 time in total.
Top
Source: — Data Sufficiency |
Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Mon Nov 03, 2008 5:51 pm
I am confused. Could u please let us know what the OA is using the spoiler function

Whats the source?


I get B) unless I am missing something. If I say 7 mins for each steak if her guests arive only in 30 minutes (which is certain)
Top
Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Mon Nov 03, 2008 5:54 pm
I was wrong (doing too many problems I think :D took 1st statement also in to consideration when evaluting 2nd which is WRONG )

Is E) the answer since it says in 1/2 hours we dont know if its 29 minutes (yes she would have finsihed by then) or 27 minutes (seh woudl not have finished making steaks then)
Top
Junior | Next Rank: 30 Posts
Posts: 14
Joined: Sun Nov 02, 2008 5:49 pm

by Lakers09 » Mon Nov 03, 2008 5:55 pm
so when it says guests will arrive in 30min it doesnt mean exactly 30min. It could be anytime up to 30min, corect?
Top
Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Mon Nov 03, 2008 6:22 pm
If I say in 20 minutes I could be there in 15 I think this is saying the something along these lines.

If the question said after 30 minutes then it might have been C)
Top
Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Mon Nov 03, 2008 6:23 pm
Whats the source for this problem?

I would wait to hear from others to on their atke of in 30 minutes just to be sure!!

Good luck!
Top
Junior | Next Rank: 30 Posts
Posts: 14
Joined: Sun Nov 02, 2008 5:49 pm

by Lakers09 » Mon Nov 03, 2008 6:33 pm
The source is MGMAT CAT exam
Top
Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Mon Nov 03, 2008 6:52 pm
Whats was MGMAT explanation?

Also its E) correct
Top
User avatar
Community Manager
Posts: 1049
Joined: Sun Apr 06, 2008 5:15 pm
Location: Pittsburgh, PA
Thanked: 113 times
Followed by:27 members
GMAT Score:710

by dmateer25 » Mon Nov 03, 2008 7:15 pm
I think something might be wrong with this question.



https://www.manhattangmat.net/forums/post16839.html
Top
Post new topic Post Reply
• Page 1 of 1