Register    Login    Search    Rss Feeds

Forums Home » Ask An Instructor » GMAT Math » General Math Questions


 Page 1 of 1 [ 4 posts ] 



  Print view Print view Previous topic Previous topic | Next topic Next topic
 

Fraction Problem, easier way? need help!

Author Message
cgjkim1
 Post subject: Fraction Problem, easier way? need help!
 Post Posted: Thu Nov 17, 2011 12:39 am 
Offline
Forum Guests


Posts: 2
Question: The value of (38+(17/15))/(21/97) can be doubled by doubling the number?
a) 15
b) 17
c) 21
d) 38
e) 97

The answer sheet said e) 97 is the answer. But I don't know why it is the answer. Please help me. Thank you!
Top 
surya.anem
 Post subject: Re: Fraction Problem, easier way? need help!
 Post Posted: Thu Nov 17, 2011 2:46 am 
Offline
Forum Guests


Posts: 2
The given question is as

(38+17/15) 97(38+17/15)
----------- => -------------
12/97 12

So the above value can be double either when 97 is doubled or 12 is halved because doubling the numerator (97) in this case doubles the fraction.

hence the answer is E.
Top 
geeknick
 Post subject: Re: Fraction Problem, easier way? need help!
 Post Posted: Thu Nov 17, 2011 4:18 am 
Offline
Forum Guests


Posts: 5
Harold and Millicent are getting married and need to combine their already-full libraries. If Harold, who has 1/2 as many books as Millicent, brings 1/3 of his books to their new home, then Millicent will have enough room to bring 1/2 of her books to their new home. What fraction of Millicent's old library capacity is the new home's library capacity?
a 1/2
b 2/3
c 3/4
d 4/5
e 5/6
Top 
tim
 Post subject: Re: Fraction Problem, easier way? need help!
 Post Posted: Wed Nov 23, 2011 2:14 pm 
Offline
ManhattanGMAT Staff


Posts: 2242
Location: Southwest Airlines, seat 21C
Actually, geeknick, we’re not going to answer that question in this thread. You need to start a new thread for a new problem, and be sure to cite the source of the problem, AND tell us what you tried and why the solution you encountered didn’t help..

_________________
Tim Sanders
Manhattan GMAT Instructor
Top 
Display posts from previous:  Sort by  
 
 Page 1 of 1 [ 4 posts ] 





Who is online

Users browsing this forum: No registered users and 1 guest

 
 

 
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to: