sign up I login
 advanced
refer a friend - earn nickels!!

Ask & Discuss Questions with Community & Experts

 Moderation Team
Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: permutation and combination
Forum Index -> Algebra -> View Full Question like the article? email it to a friend.  
Author Message
[Post New]6 Apr 2008 20:25:29 IST
    Subject: permutation and combination
[Up]
sangeetha5491 (10)

Cool goIITian

Olaaa!! Perrrfect answer. 2  [2 rates]
sangeetha5491's Avatar
total posts: 59    
offline Offline
an n digit number is a positive number with exactly n digits. atleast nine hundered n digit numbers are to be formed using only the three digits 2,5 and 7. find the smallest n for which this is possible.
    
 

Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Narayana - Kota , Delhi , Others
Brilliant Tutorials - Class , Crash
Aakash Institute - Medical , Engg
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya