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A student chooses one language from (4) languages one project from (5) projects and one presentation mode from (3) modes. How many ways are possible?

Answer and explanation

Correct answer: 60

The choices of language, project, and presentation mode are independent. By the fundamental principle of counting, the total number of ways is \(4 \times 5 \times 3=60\). Therefore, 60 is the correct option. Adding \(4+5+3\) would be incorrect because the student makes one choice from each of the three categories. Exam tip: Multiply the numbers of choices when selections are made independently in successive stages.

Related tags

Fundamental Principle Of CountingPermutations And CombinationsClass 11 MathematicsMultiplication RuleCounting MethodsMathematicsClass 11 Mcq

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