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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingHard
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A student chooses (1) elective from Science, (1) from Arts, and (1) from Skill. Among (4) Science courses, one course can be taken with only (2) Skill courses, while the other (3) Science courses can be taken with (6) Skill courses. Arts has (5) options. How many selections are possible?

Answer and explanation

Correct answer: (100)

Science-Skill selections are (1\times2+3\times6=20), and Arts has (5) choices. Add dependent subjects together first.

Related tags

Permutations-And-CombinationsFundamental-PrincipleCountingHardFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
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