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

 It is currently 18 Apr 2019, 07:52

### 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

# If x + y/2 = z, what is the value of z ?

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

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 54368
If x + y/2 = z, what is the value of z ?  [#permalink]

### Show Tags

11 Sep 2017, 00:35
00:00

Difficulty:

25% (medium)

Question Stats:

85% (00:48) correct 15% (00:39) wrong based on 36 sessions

### HideShow timer Statistics

If $$x + \frac{y}{2} = z$$, what is the value of z ?

(1) $$x = \frac{(5 - y)}{2}$$

(2) x = 5

_________________
Current Student
Joined: 02 Jul 2017
Posts: 294
Concentration: Entrepreneurship, Technology
GMAT 1: 730 Q50 V38
Re: If x + y/2 = z, what is the value of z ?  [#permalink]

### Show Tags

11 Sep 2017, 00:48
Given x+$$\frac{y}{2}$$=z
Find z?

(1) x=$$\frac{5−y}{2}$$

Putting value of x in original equation
=> $$\frac{5−y}{2} +\frac{y}{2} = z$$
=> $$\frac{5-y+y}{2} = z$$
=> $$\frac{5}{2} = z$$ Answer

Sufficient

(2) x = 5
As we don't know y we cannot find value of z here.
Not sufficient

Re: If x + y/2 = z, what is the value of z ?   [#permalink] 11 Sep 2017, 00:48
Display posts from previous: Sort by

# If x + y/2 = z, what is the value of z ?

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

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