Last visit was: 20 Jul 2025, 12:23 It is currently 20 Jul 2025, 12:23
Home
GMAT
Messages
Tests
Schools
Events
Rewards
Chat
My Profile
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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel
Back to Forum
Create Topic
Sub 505 Level|   Geometry|               
User avatar
Bunuel
User avatar
Math Expert
Joined: 02 Sep 2009
Last visit: 20 Jul 2025
Posts: 102,633
Own Kudos:
743,058
 [19]
Given Kudos: 98,235
Products:
GMAT Club Tests Forum Quiz
Expert
Expert reply
Active GMAT Club Expert! Tag them with @ followed by their username for a faster response.
Posts: 102,633
Kudos: 743,058
 [19]
What is the distance between City A and City C ? 26 Apr 2019, 07:35
3
Kudos
Add Kudos
16
Bookmarks
Bookmark this Post
00:00
Start Timer
Pause Timer
Resume Timer
Show Answer
Hide
Show
History
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

5% (low)

Question Stats:

84% (00:34) correct 16% (00:32) wrong based on 856 sessions

History

Date
Time
Result
Not Attempted Yet
What is the distance between City A and City C ?

(1) The distance between City A and City B is 75 kilometers.
(2) The distance between City B and City C is 135 kilometers.


DS23602.01
Quantitative Review 2020 NEW QUESTION
ShowHide Answer
Official Answer
E
User avatar
sumi747
User avatar
Joined: 17 May 2018
Last visit: 19 Dec 2022
Posts: 126
Own Kudos:
52
 [1]
Given Kudos: 82
Location: India
Posts: 126
Kudos: 52
 [1]
What is the distance between City A and City C ? 26 Apr 2019, 08:36
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Statement 1 does not give enough information to determine dist between a and c
Statement 2 does not give enough information to determine dist between a and c
On combining 1&2 we still don't know what the distance may be between a and c
The cities if put on a line may look like a__b___c or like b__a_c

Posted from my mobile device
User avatar
BrentGMATPrepNow
User avatar
Major Poster
Joined: 12 Sep 2015
Last visit: 13 May 2024
Posts: 6,755
Own Kudos:
34,143
 [4]
Given Kudos: 799
Location: Canada
Expert
Expert reply
Posts: 6,755
Kudos: 34,143
 [4]
What is the distance between City A and City C ? 26 Apr 2019, 13:17
1
Kudos
Add Kudos
3
Bookmarks
Bookmark this Post
Bunuel
What is the distance between City A and City C ?

(1) The distance between City A and City B is 75 kilometers.
(2) The distance between City B and City C is 135 kilometers.

Target question: What is the distance between City A and City C ?

Scan the statements and head straight to . . .

Statements 1 and 2 combined
There are several scenarios that satisfy BOTH statements. Here are two:

Case a:

In this case, the answer to the target question is the distance from A to C is 210 km



Case b:

In this case, the answer to the target question is the distance from A to C is less than 210 km

Since we cannot answer the target question with certainty, the combined statements are NOT SUFFICIENT

Answer: E

Cheers,
Brent
User avatar
EgmatQuantExpert
User avatar
e-GMAT Representative
Joined: 04 Jan 2015
Last visit: 02 Apr 2024
Posts: 3,681
Own Kudos:
19,493
 [2]
Given Kudos: 165
Expert
Expert reply
Posts: 3,681
Kudos: 19,493
 [2]
What is the distance between City A and City C ? 31 May 2019, 11:16
2
Kudos
Add Kudos
Bookmarks
Bookmark this Post

Solution



Steps 1 & 2: Understand Question and Draw Inferences


We are given that:
    • Three cities – A, B, and C.
We need to find the:
    • Distance between city A and C.
S we do not have much information to infer from, let us now analyse the individual statements.

Step 3: Analyse Statement 1

“The distance between City A and City B is 75 kilometres.”
    • From this statement, we cannot find the distance between city A and C.
Thus, statement 1 is not sufficient to answer the question.

Step 4: Analyse Statement 2

“The distance between City B and City C is 135 kilometres.”
    • From this statement, we cannot find the distance between city A and C.
Thus, statement 2 is not sufficient to answer the question.

Step 5: Combine Both Statements Together (If Needed)

From statement 1:
    • Distance between city A and B = 75 kilometres.
From statement 2:
    • Distance between city B and C = 135 kilometres.

Case-1: City A, B, and C are on a straight line and City A is between B and C.


In this case, distance between A and C = 135 – 75 = 60 km

Case-2: City A, B, and C are on a straight line and City A is not between B and C.


In this case, distance between A and C = 135 + 75 = 120 km.

Case- 3: City A, B and C are points of a triangle.


In this case, 135 – 75 < AC < 135 + 75.
Hence, it is not possible to determine the distance between city A and C.
Since we could not find the answer even after combining both the statements together, the correct answer is E.
User avatar
MHIKER
User avatar
Joined: 14 Jul 2010
Last visit: 24 May 2021
Posts: 945
Own Kudos:
5,473
Given Kudos: 690
Status:No dream is too large, no dreamer is too small
Concentration: Accounting
Posts: 945
Kudos: 5,473
What is the distance between City A and City C ? 17 Dec 2020, 12:07
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Bunuel
What is the distance between City A and City C ?

(1) The distance between City A and City B is 75 kilometers.
(2) The distance between City B and City C is 135 kilometers.


(1) We need information for A to C. Insufficient.

(2) We need information for A to C. Insufficient.

Considering Both:

The orientation of C from B or A is not given. It can in between A to B, right to B, if in the right to B then the distance will be 75+135=205 km but it can be downward B then we can't determine the distance. Insufficient.

The answer is E.
User avatar
bumpbot
User avatar
Non-Human User
Joined: 09 Sep 2013
Last visit: 04 Jan 2021
Posts: 37,463
Own Kudos:
1,013
Posts: 37,463
Kudos: 1,013
What is the distance between City A and City C ? 24 Jan 2023, 09:51
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Moderators:
Bunuel
Math Expert
102633 posts
kingbucky
455 posts