Question

Sam has 8 paintings to display in his gallery. he can place 4 of them in the front window. in how many ways can he arrange 4 paintings in the front window? 4880 3600 1680 5400

Answer 1

It's a question of Permutation; = nPr = n!/(n-r)!

A.T.Q,

n=8, r=4

8!/(8-4)! =8!/4! = 8*7*6*5

=1680

OPTION C IS YOUR ANSWER.

Answer 2

(c) 1680

Explanation:

hope this helps:)