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

It is currently 20 Apr 2019, 01:43

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

Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour

  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: 54375
Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour  [#permalink]

Show Tags

New post 05 May 2017, 04:39
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

72% (01:49) correct 28% (01:51) wrong based on 179 sessions

HideShow timer Statistics

Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour. If Randle and Billy must work together to trim all 50 bushes in the park and each person can trim for a maximum of 6 hours, what is the least amount of time that Billy must trim?

A. 4 hours and 48 minutes
B. 5 hours
C. 5 hours and 12 minutes
D. 5 hours and 33 minutes
E. 6 hours

_________________
Intern
Intern
avatar
B
Joined: 29 Apr 2017
Posts: 16
Re: Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour  [#permalink]

Show Tags

New post 05 May 2017, 06:45
1
For Billy to work for least number of hours, Randle must work for maximum hours

Thus he will trim 4*6 24 bushes in 6 hours
Out of 50 bushes, 24 have been trimmed by Randle. So Billy has to do the rest of the work (26) bushes
26/5 = 5hrs 12 minutes
Hence, C

Sent from my SM-N9200 using GMAT Club Forum mobile app
Senior PS Moderator
User avatar
V
Joined: 26 Feb 2016
Posts: 3386
Location: India
GPA: 3.12
Re: Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour  [#permalink]

Show Tags

New post 05 May 2017, 12:31
For billy to take the lowest time, randle must first exhaust all his 6 hours and then billy should start his work.

Given data
randle's rate : 4 bushes/hr
billy's rate : 5 bushes/hr
Total bushes : 50

After randle completes his time(6 hours), only 26 bushes remain. Hence, billy will take
26 bushes/(5 bushes/hour)= 5.2hours or 5 hours and 12 minutes(Option C)

Sent from my LG-H818 using GMAT Club Forum mobile app
_________________
You've got what it takes, but it will take everything you've got
Director
Director
avatar
S
Joined: 21 Mar 2016
Posts: 520
Reviews Badge
Re: Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour  [#permalink]

Show Tags

New post 07 May 2017, 10:34
Randle must work for maximum hours

he trims 4*6 = 24 bushes in 6 hours
Out of 50 bushes, 24 have been trimmed by Randle. Billy has to do 26 bushes
26/5 = 5hrs 12 minutes
ANS C
Target Test Prep Representative
User avatar
P
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 5807
Location: United States (CA)
Re: Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour  [#permalink]

Show Tags

New post 12 May 2017, 13:19
1
Bunuel wrote:
Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour. If Randle and Billy must work together to trim all 50 bushes in the park and each person can trim for a maximum of 6 hours, what is the least amount of time that Billy must trim?

A. 4 hours and 48 minutes
B. 5 hours
C. 5 hours and 12 minutes
D. 5 hours and 33 minutes
E. 6 hours


We are given that Randle can trim 4 bushes per hour. If he trims for 6 hours (the maximum time he can trim), then he will have trimmed 4 x 6 = 24 bushes. Thus, there are 50 - 24 = 26 bushes left for Billy to trim.

Since Billy can trim at a rate of 5 bushes per hour, the time he will have to trim is:

26/5 = 5 ⅕ = 5 hours and 12 minutes

Answer: C
_________________

Scott Woodbury-Stewart

Founder and CEO

Scott@TargetTestPrep.com
TTP - Target Test Prep Logo
122 Reviews

5-star rated online GMAT quant
self study course

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

Intern
Intern
avatar
B
Joined: 13 Jul 2017
Posts: 29
Re: Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour  [#permalink]

Show Tags

New post 20 Jul 2017, 23:44
Randle=4 bush/hour
Billy=5 bush/hour
total=50 bushes
time allowed to finish work=6 hour
since we are giving favor to billy and he will do least work so first calculate how much at max rindle can do alone
randle=4*6=24 bushes
so billy need to cut 26 bush atleast
billy work speed=26/5 bush per hour=5 hour 12 min
Option C
GMAT Club Bot
Re: Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour   [#permalink] 20 Jul 2017, 23:44
Display posts from previous: Sort by

Randle can trim 4 bushes per hour and Billy can trim 5 bushes per hour

  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®.