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

It is currently 18 Jan 2019, 07:55

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
Events & Promotions in January
PrevNext
SuMoTuWeThFrSa
303112345
6789101112
13141516171819
20212223242526
272829303112
Open Detailed Calendar
  • Free GMAT Strategy Webinar

     January 19, 2019

     January 19, 2019

     07:00 AM PST

     09:00 AM PST

    Aiming to score 760+? Attend this FREE session to learn how to Define your GMAT Strategy, Create your Study Plan and Master the Core Skills to excel on the GMAT.
  • FREE Quant Workshop by e-GMAT!

     January 20, 2019

     January 20, 2019

     07:00 AM PST

     07:00 AM PST

    Get personalized insights on how to achieve your Target Quant Score.

If y = ax and x = bz, what is y when z = 75?

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

Hide Tags

 
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 52284
If y = ax and x = bz, what is y when z = 75?  [#permalink]

Show Tags

New post 13 Apr 2018, 00:35
00:00
A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

62% (01:53) correct 38% (02:02) wrong based on 71 sessions

HideShow timer Statistics

Intern
Intern
avatar
B
Joined: 28 Apr 2014
Posts: 49
GMAT 1: 640 Q50 V25
GMAT ToolKit User CAT Tests
Re: If y = ax and x = bz, what is y when z = 75?  [#permalink]

Show Tags

New post 13 Apr 2018, 00:41
IMO D
y=ax=a(bz)=abz=75ab
St 1 b can be calculated and hence 75ab
St2 from y and z, we can calculate the value of ab and hence 75ab
Intern
Intern
avatar
B
Joined: 08 Feb 2018
Posts: 6
Re: If y = ax and x = bz, what is y when z = 75?  [#permalink]

Show Tags

New post 16 Apr 2018, 18:26
IMO B
y=ax and x=bz
So y=abz
We need to find y when z=75 so basically we need to find value of y=75ab

Statement(1)- we can only find the value of b from here which is 1/120 but we need a also.hence insufficient

Statement(2)-From this we can find the value of ab which is 1/25.Hence 75ab will be 3.thus y=3 . Sufficient
Hence B

Posted from my mobile device

Posted from my mobile device
Director
Director
avatar
P
Joined: 02 Oct 2017
Posts: 735
Re: If y = ax and x = bz, what is y when z = 75?  [#permalink]

Show Tags

New post 27 Apr 2018, 22:12
I)y=ax x=bz
y=a/2 no value of y so can't calculate y

II)y=abz
Calculate value of ab when y=2 And z=50
Value of ab is known
Then calculate y when ab and z=75 so
Sufficient

B is answer

Posted from my mobile device
_________________

Give kudos if you like the post

GMAT Club Bot
Re: If y = ax and x = bz, what is y when z = 75? &nbs [#permalink] 27 Apr 2018, 22:12
Display posts from previous: Sort by

If y = ax and x = bz, what is y when z = 75?

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


Copyright

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

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®.