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

It is currently 14 Dec 2018, 23:50

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 December
PrevNext
SuMoTuWeThFrSa
2526272829301
2345678
9101112131415
16171819202122
23242526272829
303112345
Open Detailed Calendar
  • Free GMAT Strategy Webinar

     December 15, 2018

     December 15, 2018

     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.
  • $450 Tuition Credit & Official CAT Packs FREE

     December 15, 2018

     December 15, 2018

     10:00 PM PST

     11:00 PM PST

    Get the complete Official GMAT Exam Pack collection worth $100 with the 3 Month Pack ($299)

If xyz ≠ 0 and x percent of y percent of z is t, then z =

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

Hide Tags

Moderator
avatar
V
Joined: 21 Jun 2014
Posts: 1096
Location: India
Concentration: General Management, Technology
GMAT 1: 540 Q45 V20
GPA: 2.49
WE: Information Technology (Computer Software)
GMAT ToolKit User Premium Member
If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 21 Nov 2018, 06:39
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

89% (00:39) correct 11% (01:29) wrong based on 70 sessions

HideShow timer Statistics

If xyz ≠ 0 and x percent of y percent of z is t, then z =


(A) \(\frac{100t}{xy}\)

(B) \(\frac{1,000t}{xy}\)

(C) \(\frac{10,000t}{xy}\)

(D) \(\frac{xy}{10,000t}\)

(E) \(\frac{10,000xy}{t}\)


Project PS Butler : Question #31


Subscribe to get Daily Email - Click Here | Subscribe via RSS - RSS

_________________

---------------------------------------------------------------
Target - 720-740
Project PS Butler - https://gmatclub.com/forum/project-ps-butler-practice-everyday-280904.html
http://gmatclub.com/forum/information-on-new-gmat-esr-report-beta-221111.html
http://gmatclub.com/forum/list-of-one-year-full-time-mba-programs-222103.html

Manager
Manager
User avatar
G
Joined: 09 Jun 2018
Posts: 184
Location: United States
GPA: 3.95
WE: Manufacturing and Production (Energy and Utilities)
GMAT ToolKit User Premium Member CAT Tests
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 21 Nov 2018, 06:48
(x/100)*(y/100)*z = t

z = (10,000*t) / (x*y)

Option C
_________________

If you found this relevant and useful, please Smash that Kudos button!

VP
VP
User avatar
D
Joined: 09 Mar 2016
Posts: 1225
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 21 Nov 2018, 08:13
HKD1710 wrote:
If xyz ≠ 0 and x percent of y percent of z is t, then z =


(A) \(\frac{100t}{xy}\)

(B) \(\frac{1,000t}{xy}\)

(C) \(\frac{10,000t}{xy}\)

(D) \(\frac{xy}{10,000t}\)

(E) \(\frac{10,000xy}{t}\)


Project PS Butler : Question #31


Subscribe to get Daily Email - Click Here | Subscribe via RSS - RSS



\(\frac{x}{100}*\frac{y}{100}*z=t\)

\(\frac{xyz}{10000} = t\)

\(xyz= 10000t\) (divide both sides by xy)

\(z = \frac{10000t}{xy}\)


pushpitkc Bunuel GMATPrepNow chetan2u how to solve this question via testing / plugging in values ? couldnt wrap my mind around this method
CEO
CEO
User avatar
D
Joined: 11 Sep 2015
Posts: 3237
Location: Canada
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 21 Nov 2018, 08:23
1
Top Contributor
HKD1710 wrote:
If xyz ≠ 0 and x percent of y percent of z is t, then z =


(A) \(\frac{100t}{xy}\)

(B) \(\frac{1,000t}{xy}\)

(C) \(\frac{10,000t}{xy}\)

(D) \(\frac{xy}{10,000t}\)

(E) \(\frac{10,000xy}{t}\)


This is for dave13

GIVEN: x percent of y percent of z is t

Find values for t, x, y and z that satisfy the statement.
How about: 20 percent of 50 percent of 60 is 6
So, one solution is x = 20, y = 50, z = 60 and t = 6

So, when x = 20, y = 50 and t = 6, then z = 60

Now let's plug x = 20, y = 50 and t = 6 into each answer choice and see which one evaluates to be 60


(C)10,000t/xy = 10,000(6)/(20)(50) = 60,000/1,000 = 60
BINGO!!

Answer: C

Cheers,
Brent
_________________

Test confidently with gmatprepnow.com
Image

Math Expert
User avatar
V
Joined: 02 Aug 2009
Posts: 7106
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 21 Nov 2018, 08:28
1
dave13 wrote:
HKD1710 wrote:
If xyz ≠ 0 and x percent of y percent of z is t, then z =


(A) \(\frac{100t}{xy}\)

(B) \(\frac{1,000t}{xy}\)

(C) \(\frac{10,000t}{xy}\)

(D) \(\frac{xy}{10,000t}\)

(E) \(\frac{10,000xy}{t}\)


Project PS Butler : Question #31


Subscribe to get Daily Email - Click Here | Subscribe via RSS - RSS



\(\frac{x}{100}*\frac{y}{100}*z=t\)

\(\frac{xyz}{10000} = t\)

\(xyz= 10000t\) (divide both sides by xy)

\(z = \frac{10000t}{xy}\)


pushpitkc Bunuel GMATPrepNow chetan2u how to solve this question via testing / plugging in values ? couldnt wrap my mind around this method



Hi,
I would take 100% of 100% of t should give me t as the answer..
So X =100 and y = 100..
The choice should give me t as the answer..
Only C gives that answer => 10000t/(100*100) = t
_________________

1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


GMAT online Tutor

Manager
Manager
User avatar
B
Joined: 26 Feb 2017
Posts: 89
Location: India
GPA: 3.99
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 21 Nov 2018, 13:34
Posted from my mobile device
Attachments

FF630C64-17EC-4343-BDB5-1BBF7F89372E.jpeg
FF630C64-17EC-4343-BDB5-1BBF7F89372E.jpeg [ 1.69 MiB | Viewed 357 times ]

Director
Director
User avatar
S
Joined: 18 Aug 2017
Posts: 742
Location: India
Concentration: Sustainability, Marketing
WE: Marketing (Energy and Utilities)
CAT Tests
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z =  [#permalink]

Show Tags

New post 24 Nov 2018, 01:12
HKD1710 wrote:
If xyz ≠ 0 and x percent of y percent of z is t, then z =


(A) \(\frac{100t}{xy}\)

(B) \(\frac{1,000t}{xy}\)

(C) \(\frac{10,000t}{xy}\)

(D) \(\frac{xy}{10,000t}\)

(E) \(\frac{10,000xy}{t}\)


Project PS Butler : Question #31


Subscribe to get Daily Email - Click Here | Subscribe via RSS - RSS



Best way to solve this question is to write in sequence as described in question :

X% y= (x/100)*y
(x/100)*y%z= (x*y/10^4)*z
(x*y/10^4)*z=t
take values from RHS to LHS we get
z=t*10^4/x*y option C
_________________

If you liked my solution then please give Kudos. Kudos encourage active discussions.

GMAT Club Bot
Re: If xyz ≠ 0 and x percent of y percent of z is t, then z = &nbs [#permalink] 24 Nov 2018, 01:12
Display posts from previous: Sort by

If xyz ≠ 0 and x percent of y percent of z is t, then z =

  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®.