Solve the problem.
-A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 7 different flags Available, how many possible signals can be flown?
A) 21
B) 343
C) 210
D) 35

Question

Quizplus · Accepted Answer

Since there are 7 different flags available and 3 positions to fill where order matters and no flag can be used more than once, the number of possible signals is calculated using permutations: 7P3 = 7! / (7-3)! = 7*6*5 = 210.

Solve the Problem. -A Signal Is Made by Placing 3 Flags, One Above