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

 It is currently 19 Oct 2019, 01:33

### 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
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

# Permutations & Combinations

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

### Hide Tags

Intern
Joined: 08 Oct 2014
Posts: 3
Permutations & Combinations  [#permalink]

### Show Tags

10 Apr 2019, 16:17
1
There are 4 red balls, numbered 1, 2, 3, 4. Similarly there are 3 numbered blue balls and 2 numbered yellow balls. In how many ways can these 9 balls be arranged in a row, if no two blue balls have to be together?
(A) 6! × 7P3 (B) 48 × 7P3 (C) 6! × 5P3 (D) 9! – 7!×3! (E) None of the above
EMPOWERgmat Instructor
Status: GMAT Assassin/Co-Founder
Affiliations: EMPOWERgmat
Joined: 19 Dec 2014
Posts: 15281
Location: United States (CA)
GMAT 1: 800 Q51 V49
GRE 1: Q170 V170
Re: Permutations & Combinations  [#permalink]

### Show Tags

10 Apr 2019, 17:14
Hi nivikumar93,

When posting specific GMAT questions, you'll receive more of a response if you post them to their specific sub-forums. For example, the Problem Solving forum can be found here:

https://gmatclub.com/forum/quantitative-7/

GMAT assassins aren't born, they're made,
Rich
_________________
Contact Rich at: Rich.C@empowergmat.com

The Course Used By GMAT Club Moderators To Earn 750+

souvik101990 Score: 760 Q50 V42 ★★★★★
ENGRTOMBA2018 Score: 750 Q49 V44 ★★★★★
Re: Permutations & Combinations   [#permalink] 10 Apr 2019, 17:14
Display posts from previous: Sort by

# Permutations & Combinations

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

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