GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video

 It is currently 06 Aug 2020, 03:14

### 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

# What it the value of x - y ? (1) x + 2y = 11 (2) 4x - 4y = 8

Author Message
TAGS:

### Hide Tags

SVP
Joined: 23 Feb 2015
Posts: 2010
What it the value of x - y ? (1) x + 2y = 11 (2) 4x - 4y = 8  [#permalink]

### Show Tags

09 Jun 2020, 07:49
00:00

Difficulty:

15% (low)

Question Stats:

88% (00:25) correct 13% (00:44) wrong based on 40 sessions

### HideShow timer Statistics

What it the value of x - y ?

(1) x + 2y = 11
(2) 4x - 4y = 8
DS Forum Moderator
Joined: 19 Oct 2018
Posts: 2062
Location: India
Re: What it the value of x - y ? (1) x + 2y = 11 (2) 4x - 4y = 8  [#permalink]

### Show Tags

09 Jun 2020, 09:43
Statement 1

x + 2y = 11
x-y+3y =11
x-y = 11-3y

We have no idea about y

Insufficient

Statement 2

4x-4y =8
4(x-y) =8
x-y = 2

Sufficient

TheUltimateWinner wrote:
What it the value of x - y ?

(1) x + 2y = 11
(2) 4x - 4y = 8
CEO
Joined: 03 Jun 2019
Posts: 3362
Location: India
GMAT 1: 690 Q50 V34
WE: Engineering (Transportation)
Re: What it the value of x - y ? (1) x + 2y = 11 (2) 4x - 4y = 8  [#permalink]

### Show Tags

09 Jun 2020, 09:51
TheUltimateWinner wrote:
What it the value of x - y ?

(1) x + 2y = 11
(2) 4x - 4y = 8

Asked: What it the value of x - y ?

(1) x + 2y = 11
x - y + 3y = 11
Since y is unknown
NOT SUFFICIENT

(2) 4x - 4y = 8
x - y = 2
SUFFICIENT

IMO B
_________________
Kinshook Chaturvedi
Email: kinshook.chaturvedi@gmail.com
Re: What it the value of x - y ? (1) x + 2y = 11 (2) 4x - 4y = 8   [#permalink] 09 Jun 2020, 09:51