Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 26 May 2017, 06:25

### 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

# Kim finds a 1-meter tree branch and marks it off in thirds a

Author Message
TAGS:

### Hide Tags

Manager
Joined: 25 Mar 2011
Posts: 78
Followers: 0

Kudos [?]: 73 [2] , given: 3

Kim finds a 1-meter tree branch and marks it off in thirds a [#permalink]

### Show Tags

24 Jun 2011, 12:22
2
KUDOS
14
This post was
BOOKMARKED
00:00

Difficulty:

55% (hard)

Question Stats:

52% (02:03) correct 49% (00:27) wrong based on 200 sessions

### HideShow timer Statistics

Kim finds a 1-meter tree branch and marks it off in thirds and fifths. She then breaks the branch along all the markings and removes one piece of every distinct length. What fraction of the original branch remains?

A. 2/5
B. 7/5
C. 1/2
D. 8/15
E. 3/5

OPEN DISCUSSION OF THIS QUESTION IS HERE: kim-finds-a-1-meter-tree-branch-and-marks-it-off-in-thirds-140038.html
[Reveal] Spoiler: OA
Manager
Joined: 07 Oct 2010
Posts: 177
Followers: 6

Kudos [?]: 168 [1] , given: 10

### Show Tags

24 Jun 2011, 13:28
1
KUDOS
1
This post was
BOOKMARKED
its option E

The rough diagram will be like following
Attachment:

1.jpg [ 18.85 KiB | Viewed 10119 times ]

In the diagram a tree branch of 1 meter is divided into 1/3 s and 1/5s
a b and c will be the distinct lengths

Now in the diagram there after removing one part of the distinct length the remaining will be 2 a's and 1 b and 1 c

a= 1/5 ...since it is a complete fifth part of the branch
also from the diagram we can make out that b+c = a = 1/5

hence the remaining branch will be 2*1/5 +1/5 = 3/5

hence E

You can conform the diagram by taking length of the branch 1m=100cm and 1/5=20cm amd 1/3= 33.33cm
Math Forum Moderator
Joined: 20 Dec 2010
Posts: 2013
Followers: 163

Kudos [?]: 1825 [0], given: 376

### Show Tags

24 Jun 2011, 13:39
smodak wrote:
Kim finds a 1-meter tree branch and marks it off in thirds and fifths. She then breaks the branch along all the markings and removes one piece of every distinct length. What fraction of the original branch remains?

A) 2/5
B) 7/15
C) 1/2
D) 8/15
E) 3/5

Attachment:

3rd_5th_fraction.PNG [ 6.92 KiB | Viewed 10098 times ]

Distinct fractions: $$\frac{3}{15}, \frac{1}{15}, \frac{2}{15}$$
Sum= $$\frac{6}{15}$$
Remaining,
$$\frac{9}{15}=\frac{3}{5}$$

Ans: "E"
_________________
Director
Joined: 01 Feb 2011
Posts: 755
Followers: 14

Kudos [?]: 125 [1] , given: 42

### Show Tags

24 Jun 2011, 16:34
1
KUDOS
1
This post was
BOOKMARKED
3 possible distinct lengths are 3/15,2/15,1/15

according to the question one of each kind are removed => removed thread length = 6/15

=>remaining thread length = 9/15 = 3/5

so the remaining is 3/5 of the original .

Intern
Joined: 06 Mar 2010
Posts: 1
Followers: 0

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

### Show Tags

13 Jul 2011, 11:28
why is the 1m - 100 cm is not even considered.
How do u come to the conclusion of avoiding the length.

Kindly explain.
Intern
Joined: 14 Apr 2011
Posts: 11
Followers: 0

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

### Show Tags

14 Jul 2011, 03:25
hey if u ppl dont mind can you please explain it properly ,especially this diagram.
my mind is blocked thinking about it...
Veritas Prep GMAT Instructor
Joined: 16 Oct 2010
Posts: 7376
Location: Pune, India
Followers: 2288

Kudos [?]: 15122 [4] , given: 224

### Show Tags

14 Jul 2011, 03:40
4
KUDOS
Expert's post
2
This post was
BOOKMARKED
smodak wrote:
Kim finds a 1-meter tree branch and marks it off in thirds and fifths. She then breaks the branch along all the markings and removes one piece of every distinct length. What fraction of the original branch remains?

A) 2/5
B) 7/15
C) 1/2
D) 8/15
E) 3/5

Markings are made on 1/5, 2/5, 3/5, 4/5 and 5/5
They are also made on 1/3, 2/3 and 3/3.
Its hard to compare these. So let's take their LCM.
Markings are made on 3/15, 6/15, 9/15, 12/15 and 15/15
They are also made on 5/15, 10/15 and 15/15.

So markings are on 3/15, 5/15, 6/15, 9/15, 10/15, 12/15 and 15/15.

Distinct sizes are: 2/15, 1/15, 3/15
Sum = 6/15

Leftover stick = 1 - 6/15 = 9/15 = 3/5
_________________

Karishma
Veritas Prep | GMAT Instructor
My Blog

Get started with Veritas Prep GMAT On Demand for $199 Veritas Prep Reviews Intern Joined: 14 Apr 2011 Posts: 11 Followers: 0 Kudos [?]: 1 [0], given: 0 Re: Tree Branches [#permalink] ### Show Tags 14 Jul 2011, 05:23 hey karishma thanks for the reply have u found the distinct sizes by finding out the difference between them? Veritas Prep GMAT Instructor Joined: 16 Oct 2010 Posts: 7376 Location: Pune, India Followers: 2288 Kudos [?]: 15122 [2] , given: 224 Re: Tree Branches [#permalink] ### Show Tags 18 Jul 2011, 22:35 2 This post received KUDOS Expert's post sushantarora wrote: hey karishma thanks for the reply have u found the distinct sizes by finding out the difference between them? Yes I have. Difference between 3/15 and 5/15 is 2/15. Between 5/15 and 6/15 is 1/15. Between 6/15 and 9/15 is 3/15. and then they repeat... _________________ Karishma Veritas Prep | GMAT Instructor My Blog Get started with Veritas Prep GMAT On Demand for$199

Veritas Prep Reviews

Intern
Joined: 14 Apr 2011
Posts: 11
Followers: 0

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

### Show Tags

18 Jul 2011, 23:40
thanks again Karishma!!
Manager
Joined: 25 Aug 2008
Posts: 224
Location: India
WE 1: 3.75 IT
WE 2: 1.0 IT
Followers: 2

Kudos [?]: 64 [1] , given: 5

### Show Tags

19 Jul 2011, 05:34
1
KUDOS
Answer is E. I took time to undertand the question!!
_________________

Cheers,
Varun

If you like my post, give me KUDOS!!

Manager
Joined: 04 Dec 2011
Posts: 80
Schools: Smith '16 (I)
Followers: 0

Kudos [?]: 25 [0], given: 13

### Show Tags

11 May 2013, 09:45
Can somebody tell me, what is wrong with my understanding? I solved it this way..
http://campl.us/iYfTEVGNqOO

Posted from my mobile device
_________________

Life is very similar to a boxing ring.
Defeat is not final when you fall down…
It is final when you refuse to get up and fight back!

1 Kudos = 1 thanks
Nikhil

Manager
Status: Pushing Hard
Affiliations: GNGO2, SSCRB
Joined: 30 Sep 2012
Posts: 89
Location: India
Concentration: Finance, Entrepreneurship
GPA: 3.33
WE: Analyst (Health Care)
Followers: 1

Kudos [?]: 84 [0], given: 11

### Show Tags

11 May 2013, 10:11
nikhil007 wrote:
Can somebody tell me, what is wrong with my understanding? I solved it this way..
http://campl.us/iYfTEVGNqOO

Posted from my mobile device

Hi, I have seen this snapshot.....But I advise you to just follow the steps given by Karishma.... above ... once you look at them carefully. I 'm sure you will be able to find your flaw,,,,,,,,,,,,,,,,

Hope ot Helps !!
_________________

If you don’t make mistakes, you’re not working hard. And Now that’s a Huge mistake.

Math Expert
Joined: 02 Sep 2009
Posts: 38894
Followers: 7737

Kudos [?]: 106200 [0], given: 11609

### Show Tags

12 May 2013, 02:29
nikhil007 wrote:
Can somebody tell me, what is wrong with my understanding? I solved it this way..
http://campl.us/iYfTEVGNqOO

Posted from my mobile device

Check here: http://gmatclub.com/forum/kim-finds-a-1 ... 40038.html In case of any questions please post in that thread.

Similar question to practice: http://gmatclub.com/forum/on-the-number ... 04204.html

Hope it helps.
_________________
Current Student
Joined: 24 Nov 2012
Posts: 176
Concentration: Sustainability, Entrepreneurship
GMAT 1: 770 Q50 V44
WE: Business Development (Internet and New Media)
Followers: 47

Kudos [?]: 314 [1] , given: 73

Re: Kim finds a 1-meter tree branch and marks it off in thirds a [#permalink]

### Show Tags

12 May 2013, 11:32
1
KUDOS
Tip - Since it is a question asking for a fraction.. You can always substitute the length by a more easier number to ease up calculations and draw an easier diagram.
_________________

You've been walking the ocean's edge, holding up your robes to keep them dry. You must dive naked under, and deeper under, a thousand times deeper! - Rumi

http://www.manhattangmat.com/blog/index.php/author/cbermanmanhattanprep-com/ - This is worth its weight in gold

Economist GMAT Test - 730, Q50, V41 Aug 9th, 2013
Manhattan GMAT Test - 670, Q45, V36 Aug 11th, 2013
Manhattan GMAT Test - 680, Q47, V36 Aug 17th, 2013
GmatPrep CAT 1 - 770, Q50, V44 Aug 24th, 2013
Manhattan GMAT Test - 690, Q45, V39 Aug 30th, 2013
Manhattan GMAT Test - 710, Q48, V39 Sep 13th, 2013
GmatPrep CAT 2 - 740, Q49, V41 Oct 6th, 2013

GMAT - 770, Q50, V44, Oct 7th, 2013
My Debrief - http://gmatclub.com/forum/from-the-ashes-thou-shall-rise-770-q-50-v-44-awa-5-ir-162299.html#p1284542

Re: Kim finds a 1-meter tree branch and marks it off in thirds a   [#permalink] 12 May 2013, 11:32
Similar topics Replies Last post
Similar
Topics:
4 A straight rod 1 yard in length was first marked off in fourths, third 3 20 May 2017, 03:29
49 Kim finds a 1-meter tree branch and marks it off in thirds 18 22 Feb 2017, 08:20
1 Kim finds a 1-meter tree branch and marks it off in thirds and fifths. 5 12 Nov 2011, 09:33
2 A straight pipe 1 yard in length was marked off in fourths and also in 4 14 Sep 2014, 16:09
12 A straight pipe 1 yard in length was marked off in fourth 12 11 Oct 2014, 04:31
Display posts from previous: Sort by