It is currently 16 Feb 2019, 23:33

### 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

# Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa

Author Message
TAGS:
Senior Manager
Joined: 20 May 2014
Posts: 282
Followers: 18

Kudos [?]: 50 [1] , given: 220

Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa [#permalink]  01 Oct 2017, 04:28
1
KUDOS
00:00

Question Stats:

100% (01:22) correct 0% (00:00) wrong based on 1 sessions
Xyla can paint a fence in 6 hrs. Working alone, Yarba can paint the same fence in x hours. Working together they can complete the task in 2.1 hrs.

 Quantity A Quantity B x 3

A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given

Kudos for correct solution.
[Reveal] Spoiler: OA
Director
Joined: 20 Apr 2016
Posts: 809
WE: Engineering (Energy and Utilities)
Followers: 9

Kudos [?]: 582 [1] , given: 113

Re: Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa [#permalink]  01 Oct 2017, 06:13
1
KUDOS
Bunuel wrote:
Xyla can paint a fence in 6 hrs. Working alone, Yarba can paint the same fence in x hours. Working together they can complete the task in 2.1 hrs.

 Quantity A Quantity B x 3

We know
time taken if Xyla and Yarba work together then total time taken is given by

$$\frac{6*x}{6+x}=2.1$$

or $$x$$= 3.2

Therefore option A
_________________

If you found this post useful, please let me know by pressing the Kudos Button

Rules for Posting https://greprepclub.com/forum/rules-for ... -1083.html

Re: Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa   [#permalink] 01 Oct 2017, 06:13
Display posts from previous: Sort by