Permutation (1 Viewer)

crex

New Member
Joined
Apr 13, 2013
Messages
28
Gender
Male
HSC
N/A
Q) 3,3,4,4,4 and 5 are placed in a row to form a 6 digit number. How many possible combinations there are if the number formed is even.

Is the answer this ? (5! x 3)/(2! x 2!) = 90

Thanks
 

hit patel

New Member
Joined
Mar 14, 2012
Messages
568
Gender
Male
HSC
2014
Uni Grad
2018
5!/(3!x2!)
Therefore 10.
 
Last edited:

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top