-
Vincen
- Legendary Member
- Posts: 2898
- Joined: Thu Sep 07, 2017 2:49 pm
- Thanked: 6 times
- Followed by:5 members
Timer
00:00
Your Answer
A
B
C
D
E
Global Stats
A traffic signal has 4 colors: Red, Blue, Green, and Yellow. Signals are made by combining any 22 of these 44 colors. How many unique signals can the traffic signal show if the order of the colors defines unique cases?
A) 3
B) 6
C) 8
D) 12
E) 24
Answer: D
Source: e-GMAT
A) 3
B) 6
C) 8
D) 12
E) 24
Answer: D
Source: e-GMAT
