If one event can happen in m ways and then another in n ways, the pair happens in:
Am times n ways
Bm plus n ways
Cm minus n ways
Dm over n ways
Answer & Solution
Correct answer: A. m times n ways
1. Each way of the first pairs with every way of the second.
2. So the counts multiply.
3. The total is m times n.
_Source: syllabus Mathematics, Chapter 7, Permutations and Combinations._
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