A class teacher wishes to assign one question from each of the two exercises in a book. If the two exercises have 20 and 15 questions, respectively, how many ways can the two questions be chosen?
300
250
45
75
Given that,
A class teacher wants to assign 2 questions from two exercises.
The first exercise has 20 questions. So, there are 20 possible ways to choose a question.
The second exercise has 15 questions. So, there are 15 possible ways to choose a question.
Thus, using the fundamental counting principle the 2 questions can be answered in
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