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

It is currently 19 Apr 2019, 23:27

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

Riders on a Ferris wheel travel in a circle in a vertical plane. A par

  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: 54372
Riders on a Ferris wheel travel in a circle in a vertical plane. A par  [#permalink]

Show Tags

New post 19 Mar 2019, 01:34
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

13% (02:21) correct 87% (02:17) wrong based on 15 sessions

HideShow timer Statistics

Riders on a Ferris wheel travel in a circle in a vertical plane. A particular wheel has radius 20 feet and revolves at the constant rate of one revolution per minute. How many seconds does it take a rider to travel from the bottom of the wheel to a point 10 vertical feet above the bottom?

(A) 5
(B) 6
(C) 7.5
(D) 10
(E) 15

_________________
CEO
CEO
User avatar
P
Joined: 18 Aug 2017
Posts: 3001
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member CAT Tests
Re: Riders on a Ferris wheel travel in a circle in a vertical plane. A par  [#permalink]

Show Tags

New post 19 Mar 2019, 04:17
Bunuel wrote:
Riders on a Ferris wheel travel in a circle in a vertical plane. A particular wheel has radius 20 feet and revolves at the constant rate of one revolution per minute. How many seconds does it take a rider to travel from the bottom of the wheel to a point 10 vertical feet above the bottom?

(A) 5
(B) 6
(C) 7.5
(D) 10
(E) 15


draw figure we can conclude that triangle 30-60-90
so angle formed at center to 10 feet = 60*
i.e 60/360 = 1/6 th of complete revolution
i.e 60 * 1/6= 10 seconds
IMO D
_________________
If you liked my solution then please give Kudos. Kudos encourage active discussions.
Intern
Intern
avatar
B
Joined: 02 Sep 2018
Posts: 2
Re: Riders on a Ferris wheel travel in a circle in a vertical plane. A par  [#permalink]

Show Tags

New post 19 Mar 2019, 23:50
Why is it not not 7.5? The angle formed at 10feet is 45deg and that's 1/8 of of a revolution. My answer was C. Can't visualise the 30-60-90 triangle

Posted from my mobile device
CEO
CEO
User avatar
P
Joined: 18 Aug 2017
Posts: 3001
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member CAT Tests
Riders on a Ferris wheel travel in a circle in a vertical plane. A par  [#permalink]

Show Tags

New post 20 Mar 2019, 00:02
uofidhe wrote:
Why is it not not 7.5? The angle formed at 10feet is 45deg and that's 1/8 of of a revolution. My answer was C. Can't visualise the 30-60-90 triangle

Posted from my mobile device


uofidhe
Solution attached
Attachments

File comment: Solution
IMG_20190320_123320644.jpg
IMG_20190320_123320644.jpg [ 1.7 MiB | Viewed 148 times ]


_________________
If you liked my solution then please give Kudos. Kudos encourage active discussions.
GMAT Club Bot
Riders on a Ferris wheel travel in a circle in a vertical plane. A par   [#permalink] 20 Mar 2019, 00:02
Display posts from previous: Sort by

Riders on a Ferris wheel travel in a circle in a vertical plane. A par

  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®.