Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 27 May 2017, 21:23

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# How many different signals can be transmitted by hoisting 3

Author Message
Intern
Joined: 29 Aug 2003
Posts: 47
Location: Detroit, MI
Followers: 0

Kudos [?]: 2 [0], given: 0

How many different signals can be transmitted by hoisting 3 [#permalink]

### Show Tags

02 Oct 2003, 11:20
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

How many different signals can be transmitted by hoisting 3 red, 4 yellow and 2 blue flags on a pole, assuming that in transmitting a signal all nine flags are to be used?
Intern
Joined: 29 Aug 2003
Posts: 47
Location: Detroit, MI
Followers: 0

Kudos [?]: 2 [0], given: 0

### Show Tags

02 Oct 2003, 12:22
amarsesh wrote:
How many different signals can be transmitted by hoisting 3 red, 4 yellow and 2 blue flags on a pole, assuming that in transmitting a signal all nine flags are to be used?

I figured this out by myself. But, it took an awfully long time.

The 9 flags cane be arranged in 9! ways

But there are 3 red, 4 yellow and 2 blue flags, which will essentially lead to the same signal.

So, the number of unique signals = 9!/(3! * 4! * 2!) = 1260
Re: PS: Flags   [#permalink] 02 Oct 2003, 12:22
Display posts from previous: Sort by