Find all School-related info fast with the new School-Specific MBA Forum

It is currently 23 Jul 2014, 10:32

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.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

The point A, B, C, and D are on the number line, not necessa

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
1 KUDOS received
Manager
Manager
avatar
Joined: 22 Apr 2004
Posts: 157
Followers: 1

Kudos [?]: 3 [1] , given: 0

The point A, B, C, and D are on the number line, not necessa [#permalink] New post 17 Nov 2005, 06:25
1
This post received
KUDOS
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

55% (02:34) correct 45% (01:10) wrong based on 94 sessions
The point A, B, C, and D are on the number line, not necessarily in that order. If the distance between A and B is 18 and the distance between C and D is 8, what is the distance between B and D?

(1) The distance between C and A is the same as the distance between C and B.
(2) A is to the left of D on the number line.
[Reveal] Spoiler: OA

Last edited by Bunuel on 27 May 2014, 06:40, edited 2 times in total.
Renamed the topic, edited the question and added the OA.
SVP
SVP
User avatar
Joined: 28 May 2005
Posts: 1743
Location: Dhaka
Followers: 6

Kudos [?]: 30 [0], given: 0

GMAT Tests User
Re: DS: number line [#permalink] New post 17 Nov 2005, 13:43
HIMALAYA wrote:
C. 9


I got C as well but bd = 17

from statement 1) CA = CB = 9 but we have no idea where D is located

from statmetn 2 we know that A is left of D. again this is not sufficient.

if we put them together, we get BD = BC + CD = 9 + 8 = 17.

so answer is C.

_________________

hey ya......

Intern
Intern
avatar
Joined: 22 Sep 2005
Posts: 14
Location: NYC, NY
Followers: 0

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

[#permalink] New post 17 Nov 2005, 18:02
Why couldn't it be E?

Since the points are not in any order...

A and B are 18 apart. C is smack in the middle, and D is 8 from the middle, but couldn't it be on either side? so it could be 1 away from D and also 17 away from D, depending on whether C or D is larger, which I don't think it indicates.

Let me know if I'm overlooking something here. I've been on a roll of careless errors, so I could be wrong big time. :(
SVP
SVP
User avatar
Joined: 05 Apr 2005
Posts: 1736
Followers: 3

Kudos [?]: 29 [0], given: 0

GMAT Tests User
Re: DS: number line [#permalink] New post 17 Nov 2005, 18:08
nakib77 wrote:
HIMALAYA wrote:
C. 9

I got C as well but bd = 17
from statement 1) CA = CB = 9 but we have no idea where D is located
from statmetn 2 we know that A is left of D. again this is not sufficient.
if we put them together, we get BD = BC + CD = 9 + 8 = 17.
so answer is C.

hey ram.... ......
let me change the OA because i assumed CD= 18. it should be E. because D can in between A and C and C and B.
if it is between A and C, BD=17
if it is between B and C, BD=1

so we donot know....E
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jul 2004
Posts: 5097
Location: Singapore
Followers: 16

Kudos [?]: 131 [0], given: 0

GMAT Tests User
 [#permalink] New post 17 Nov 2005, 18:29
(a) is not sufficient. B and D could be 1, or could be 17.
(b) is not sufficient as you can't tell where B is positioned.

Using both, we have a,b,c,d in the following order: b,c,d,a and the distance between b and d would be 9+8 = 17
Director
Director
avatar
Joined: 27 Jun 2005
Posts: 517
Location: MS
Followers: 2

Kudos [?]: 7 [0], given: 0

GMAT Tests User
 [#permalink] New post 17 Nov 2005, 21:07
one more E

Point A,B,C and D are on a number line but not in that order. If distance between A and B is 18 and distance between C and D is 8, what is the distance between B and D?

(a) Distance between C and A is equal to distance between C and B
as this tell us C is in the center of A and B its equidistant from both

but no information about D

if we assume that A is at 0
B at 18
C at 9
then D can be at 17 or at 1 so Insuff

(b) A is left of D on the number line.

does not provide any information about the location of B and D

In suff

taking together

sill the these assumption satisfy both the condition
if we assume that A is at 0
B at 18
C at 9
then D can be at 17 or at 1 so Insuff

but gives different value of distance between B and D

hence E
Manager
Manager
User avatar
Joined: 29 Jul 2011
Posts: 111
Location: United States
Followers: 3

Kudos [?]: 32 [0], given: 6

GMAT Tests User
Re: Points on a line [#permalink] New post 12 Dec 2011, 17:57
ABCD can be arranged in any order on the number line, the question stem does not has enough information to rephrase. So, lets move to statements.

1. C is between A and B. There are four sequences possible here: ACDB, ADCB, BCDA, and BDCA. All cases has different distances (2 pairs) between B and D. INSUFFICIENT
2. A is to the left of D. Where is D w.r.t B? INSUFFICIENT

Together, we have ACDB or ADCB as the sequence, both with different distances between B and D. INSUFFICIENT.

E.

_________________

I am the master of my fate. I am the captain of my soul.
Please consider giving +1 Kudos if deserved!

DS - If negative answer only, still sufficient. No need to find exact solution.
PS - Always look at the answers first
CR - Read the question stem first, hunt for conclusion
SC - Meaning first, Grammar second
RC - Mentally connect paragraphs as you proceed. Short = 2min, Long = 3-4 min

Intern
Intern
avatar
Joined: 25 Oct 2011
Posts: 3
Followers: 0

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

Re: Points on a line [#permalink] New post 14 Dec 2011, 05:43
If you draw a number line and plot points ABCD on it, then you will realise that -

1) B can be between A and C
2) C can be between A and B

The above 2 variations is sufficient to prove that the answer is E.
1 KUDOS received
Manager
Manager
avatar
Joined: 07 May 2013
Posts: 109
Followers: 0

Kudos [?]: 7 [1] , given: 1

Re: Point A,B,C and D are on a number line but not in that [#permalink] New post 10 Oct 2013, 22:26
1
This post received
KUDOS
Point A,B,C and D are on a number line but not in that order. If distance between A and B is 18 and distance between C and D is 8, what is the distance between B and D?

(a) Distance between C and A is equal to distance between C and B
(b) A is left of D on the number line.

CHECK attached file.

Attachments

solution101.docx [22.32 KiB]
Downloaded 42 times

To download please login or register as a user

Senior Manager
Senior Manager
User avatar
Joined: 13 May 2013
Posts: 476
Followers: 1

Kudos [?]: 44 [0], given: 134

Re: The point A, B, C, and D are on the number line, not necessa [#permalink] New post 06 Dec 2013, 11:16
The point A, B, C, and D are on the number line, not necessarily in the order. If the distance between A and B is 18 and the distance between C and D is 8, what is the distance between B and D?

(1) The distance between C and A is the same as the distance between C and B.
(2) A is to the left of D on the number line.

Here is my take.

(1) we know that CA=CB and that the distance between A and B = 18 so A is at 0, C is at 9 and B is at 18 with CA=CB=9. Because C is in the middle, D has to lie somewhere between A and B, 8 units away, specifically at 1 or 17 (9-8 or 9+8) The difference between B and D, therefore, could be 18-17 or 18-1. Insufficient.

(2) This tells us very little, especially considering that the stem gives us no order in which A,B,C,D can be placed. A could be at 1 and D at 2 or D at 1000. Insufficient.

(1+2) (2), when taken into consideration with (1) provides us no new information. From (1) we already know that D lies to the right of A. All we know is that it could be 1 away from A or 17 away from A.

Insufficient, E
Re: The point A, B, C, and D are on the number line, not necessa   [#permalink] 06 Dec 2013, 11:16
    Similar topics Author Replies Last post
Similar
Topics:
3 The points A, B, C and D are on a number line, not Ibodullo 2 02 Sep 2009, 01:55
3 Experts publish their posts in the topic The point A, B, C, and D are on the number line, not necessa Accountant 11 27 Mar 2009, 10:25
1 The points A, B, C, and D are on the number line, not Rice 4 03 Dec 2008, 06:34
The points A, B, C and D are on a number line, not marcodonzelli 1 12 Mar 2008, 10:16
The points A, B, C and D are on a number line, not bmwhype2 3 21 Feb 2008, 08:05
Display posts from previous: Sort by

The point A, B, C, and D are on the number line, not necessa

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.