Learn when to "Add" and "Multiply" in Permutation & Combination questions- Exercise Question #2
A traffic signal has 4 colors: Red, Blue, Green, and Yellow. Signals are made by combining any 2 of these 4 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
Learn to use the Keyword Approach in Solving PnC question from the following article:
Learn when to "Add" and "Multiply" in Permutation & Combination questions
Detailed solution will be posted soon.
A traffic signal has 4 colors: Red, Blue, Green, and Yellow. Signals are made by combining any 2 of these 4 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
Learn to use the Keyword Approach in Solving PnC question from the following article:
Learn when to "Add" and "Multiply" in Permutation & Combination questions
Detailed solution will be posted soon.
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Sentence Correction: Get 4 free video lessons, 50 practice questions
Critical Reasoning workshop: Get 4 free video lessons, 40 practice questions
Reading Comprehension: Get 2 free video lessons and 2 free eBooks
Free Strategy Session: Key strategy to score 760
Success Stories
V27 to V42 | V28 to V48 | V25 to V38 | More Success Stories
