GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 19 Oct 2019, 08:53

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.

Close

Request Expert Reply

Confirm Cancel

If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Senior RC Moderator
User avatar
V
Joined: 02 Nov 2016
Posts: 4125
GPA: 3.39
If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6  [#permalink]

Show Tags

New post 18 Feb 2019, 10:59
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

79% (00:41) correct 21% (01:16) wrong based on 33 sessions

HideShow timer Statistics

GMAT Club Legend
GMAT Club Legend
User avatar
D
Joined: 18 Aug 2017
Posts: 5020
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member
Re: If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6  [#permalink]

Show Tags

New post 18 Feb 2019, 11:03
1
SajjadAhmad wrote:
If a – b = c, what is the value of b ?

(1) c + 6 = a

(2) a = 6


given a-b=c
or say b= a-c

#1
c+6=a
a-c=6
so b = 6
sufficient
#2
a=6
no value of c known
in sufficeint
IMO A
Manager
Manager
avatar
S
Joined: 24 Dec 2017
Posts: 185
Location: India
Concentration: Strategy, Real Estate
Schools: Johnson '21
Re: If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6  [#permalink]

Show Tags

New post 19 Feb 2019, 00:30
a-b = c
a-c = b

St1:
c+6=a
6=a-c
Hence b=6
Sufficient

St2:
a=6
6-c=b
6=b+c
Insufficient

IMO A
GMAT Club Bot
Re: If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6   [#permalink] 19 Feb 2019, 00:30
Display posts from previous: Sort by

If a – b = c, what is the value of b ? (1) c + 6 = a (2) a = 6

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne