Pls see the problem attached : PS Archive
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 19 Jan 2017, 06:38

### 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

# Pls see the problem attached

Author Message
Director
Joined: 19 Mar 2007
Posts: 524
Followers: 3

Kudos [?]: 32 [0], given: 0

Pls see the problem attached [#permalink]

### Show Tags

12 May 2007, 06:32
00:00

Difficulty:

(N/A)

Question Stats:

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

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Pls see the problem attached.
Attachments

y per cent in terms of ......JPG [ 13.55 KiB | Viewed 787 times ]

Director
Joined: 09 Aug 2006
Posts: 525
Followers: 2

Kudos [?]: 90 [0], given: 0

### Show Tags

12 May 2007, 08:49
For me its E.

Y = (10,000/m ) . X

Explanation :

X = (m/100) . Y --------------- (According to Q stem, X is m % of Y)

therefore : Y = (100 / m) . X
= (100/m) . 100 .X (To convert the fraction into %)
= (10,000/m) . X
Manager
Joined: 18 Apr 2007
Posts: 120
Followers: 1

Kudos [?]: 5 [0], given: 0

### Show Tags

12 May 2007, 09:15
According to the question stem, " x is m percent of y". This equates to x=(m/y), but we have to mulitply by 100 to get the answer into % form. So, x=100m/y

Solving for y we get y=100m/x

Now we multiply this by 100 to put it into % form and we get y=10,000m/x

This means that y is 10,000m percent of x.

Manager
Joined: 18 Mar 2004
Posts: 50
Followers: 0

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

### Show Tags

12 May 2007, 10:35
I also say it is E

We know:
m>0
X = (m/100)y

we need to know: what is y/x in terms of m
>>> y/x = 100/m
However as you are dealing with percentages you will have to multiply 100/m by 100 = 10000/m
Director
Joined: 19 Mar 2007
Posts: 524
Followers: 3

Kudos [?]: 32 [0], given: 0

### Show Tags

12 May 2007, 12:11
Thank you guys! OA is E.
Director
Joined: 13 Mar 2007
Posts: 545
Schools: MIT Sloan
Followers: 4

Kudos [?]: 70 [0], given: 0

### Show Tags

13 May 2007, 13:32
quicker way :

assume values !

say y=100 / x=20 => m=20

now for k% of 20 =100 ; k = 500

only E = 10000/m => 10000/20 =500 satisfies the condition !
VP
Joined: 08 Jun 2005
Posts: 1146
Followers: 7

Kudos [?]: 189 [0], given: 0

### Show Tags

13 May 2007, 13:43
quicker way :

assume values !

say y=100 / x=20 => m=20

now for k% of 20 =100 ; k = 500

only E = 10000/m => 10000/20 =500 satisfies the condition !

Director
Joined: 23 Sep 2007
Posts: 789
Followers: 5

Kudos [?]: 185 [0], given: 0

Re: PS - y is what per cent of x (OG11) [#permalink]

### Show Tags

11 Jan 2008, 00:39
I just came across this question in the book.

I just think that this is a real confusing question. It is not difficult, but the way they want you to set it up and to translate the question into an equation is contradictory to their other similar percentage problems (I don't have the exact examples off the top of my head).

To me "x is m percent of y" translates to x/y = m100 (not m/100). Meaning when x divide y, you get a decimal number (could be greater than or equal to or less than 1), you multiply that number by 100 to get the "percent" annotation.

I know that the OA is E, but the OG explanation is not consistent with their other "percentage" setups.
Senior Manager
Joined: 22 Sep 2005
Posts: 276
Followers: 1

Kudos [?]: 188 [0], given: 1

Re: PS - y is what per cent of x (OG11) [#permalink]

### Show Tags

11 Jan 2008, 14:45
If x= (m/100) y ,

then y= (100x)/m

The question is: y=(?/100)x

Then we can equal (100x)/m =(?/100) x

So 100*100/m = ?

Re: PS - y is what per cent of x (OG11)   [#permalink] 11 Jan 2008, 14:45
Display posts from previous: Sort by