SOLUTION: 11 persons are required to pose for photograph. 5 of the 11 are required to pose in a swatting position in front of the remaining 6 who will pose standing. Determine the number of

Algebra ->  Permutations -> SOLUTION: 11 persons are required to pose for photograph. 5 of the 11 are required to pose in a swatting position in front of the remaining 6 who will pose standing. Determine the number of       Log On


   

Question 842134: 11 persons are required to pose for photograph. 5 of the 11 are required to pose in a swatting position in front of the remaining 6 who will pose standing. Determine the number of ways the group can pose if David and Barbara being senior citizens cannot pose squatting position?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

11 persons are required to pose for photograph. 5 of the 11 are required to pose in a swatting position 

in front of the remaining 6 who will pose standing. 

Determine the number of ways the group can pose 

if David and Barbara being senior citizens cannot pose squatting position?

Note: only 9 are eligible for the front row:

the number of ways the group can pose is:  %289C5%29%2811C6%29