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

 It is currently 08 Dec 2019, 14:19

### 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

# A daily store stocks two sizes of mugs, each in four colors: black, gr

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 59590
A daily store stocks two sizes of mugs, each in four colors: black, gr  [#permalink]

### Show Tags

02 Oct 2018, 01:33
1
2
00:00

Difficulty:

25% (medium)

Question Stats:

86% (01:56) correct 14% (02:03) wrong based on 51 sessions

### HideShow timer Statistics

A daily store stocks two sizes of mugs, each in four colors: black, green, yellow and red. The store packs the mugs in packages that contain either three mugs of the same size and the same color or three mugs of the same size and of three different colors. If the order in which the colors are arranged is not considered, how many different packings of the types described above are possible?

(A) 4
(B) 10
(C) 16
(D) 20
(E) 30

_________________
Senior Manager
Joined: 29 Dec 2017
Posts: 374
Location: United States
Concentration: Marketing, Technology
GMAT 1: 630 Q44 V33
GMAT 2: 690 Q47 V37
GMAT 3: 710 Q50 V37
GPA: 3.25
WE: Marketing (Telecommunications)
A daily store stocks two sizes of mugs, each in four colors: black, gr  [#permalink]

### Show Tags

05 Oct 2018, 18:36
1
1) Three mugs of the same size and the same color: 2 types x 4 colors = 8 otions
2) Three mugs of the same size and of three different colors:
Type 1: to choose 3 differen colors out of 4 = 4!/3! = 4
Type 2: to choose 3 differen colors out of 4 = 4!/3! = 4

A daily store stocks two sizes of mugs, each in four colors: black, gr   [#permalink] 05 Oct 2018, 18:36
Display posts from previous: Sort by