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

 It is currently 16 Jun 2019, 21:52

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

Number of ways of selecting and arranging 4 out of 6 people in a circl

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

Hide Tags

Intern
Joined: 23 Jul 2018
Posts: 18
Location: India
GMAT 1: 660 Q48 V32
GPA: 4
WE: Information Technology (Telecommunications)
Number of ways of selecting and arranging 4 out of 6 people in a circl  [#permalink]

Show Tags

29 Dec 2018, 07:35
3
00:00

Difficulty:

35% (medium)

Question Stats:

58% (01:13) correct 42% (01:17) wrong based on 27 sessions

HideShow timer Statistics

Number of ways of selecting and arranging 4 out of 6 people in a circle?

A. 45
B. 90
C. 95
D. 100
E. 120
Director
Joined: 14 Dec 2017
Posts: 520
Location: India
Re: Number of ways of selecting and arranging 4 out of 6 people in a circl  [#permalink]

Show Tags

29 Dec 2018, 08:16
1
Ben471 wrote:
Number of ways of selecting and arranging 4 out of 6 people in a circle?

A. 45
B. 90
C. 95
D. 100
E. 120

Select 4 out of 6 in 6C4 ways

Arrange the selected 4 in a circle in (4-1)! ways

Hence total # of ways of selecting and arranging 4 people in a circle = 6C4 * 3! = 15 * 6 = 90 ways

Thanks,
GyM
_________________
Re: Number of ways of selecting and arranging 4 out of 6 people in a circl   [#permalink] 29 Dec 2018, 08:16
Display posts from previous: Sort by

Number of ways of selecting and arranging 4 out of 6 people in a circl

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

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne