become expert | help | login
refer a friend - earn nickels!!
 advanced

  Ask & Discuss Questions with Community & Experts

 Moderation Team
  500 chars left
Ask community Community Discussion Question: How many numbers of 6 digits can be formed from the digits of the number 112233?
Reply Forum Index -> Algebra originally posted here on IIT-JEE / AIEEE community   
Email  
Author Message
[Post New] 27 Apr 2010 14:41:18 IST
   Subject: How many numbers of 6 digits can be formed from the digits of the number 112233?
[Up] View Post
vivek (48)

Olaaa!! Perrrfect answer. 8  [12 rates]
vivek's Avatar
total posts: 249    
Offline
How many numbers of 6 digits can be formed from the digits of the number 112233?
    
[Post New] 27 Apr 2010 14:50:16 IST
   Subject: How many numbers of 6 digits can be formed from the digits of the number 112233?
[Up] View Post
vijay kharya (514)

Olaaa!! Perrrfect answer. 86  [128 rates]
vijay kharya's Avatar
total posts: 634    
Offline
if we are allowed to use 1,2,3 twice answer will be 6!/2!x2!x2!= 90
  this reply:   2 points  (with 0  Olaaa!! Perrrfect answer.   in 1   votes   )     [?]
 
You have to be logged on to rate
  
[Post New] 27 Apr 2010 22:34:45 IST
   Subject: How many numbers of 6 digits can be formed from the digits of the number 112233?
[Up] View Post
HIMANSHU JAIN (376)

Olaaa!! Perrrfect answer. 62  [95 rates]
HIMANSHU JAIN's Avatar
total posts: 270    
Offline

since we have 6 digits and we have to make 6 digit numbers. So, it's simply 6!.

but point to note is that we have replication of digits. So,

we have 6!/(2!*2!*2!) = 90
Himanshu Jain
P.E.C.
http://jainhim.blogspot.com/
  this reply:   0 points  (with 0  Olaaa!! Perrrfect answer.   in 0   votes   )     [?]
 
You have to be logged on to rate
  
 
reply Forum Index -> Algebra
Go to: 
Sponsored Links
Preparing for CAT 2010?
solved, model paper, prelim monitor
online, study material. Buy Online!
goBSkool.com/CAT-MAT

Preparing for MAT 2010?
solved, model paper, prelim monitor
online, study material. Buy Online!
goBSkool.com/CAT-MAT

Free Exam Papers ?
unit, model, solved papers
IIT, Medical, CBSE. Get Free Now!
vriti.com/Scholarship