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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingExpert
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A code is formed by writing (2) distinct vowels followed by (3) distinct digits. If digits are from (0) to (9), how many codes can be formed?

Answer and explanation

Correct answer: (18000)

Vowels can be chosen in (5\times4) ways and digits in (10\times9\times8) ways. In exams, multiply the choices of independent stages.

Related tags

PermutationsCombinationsCounting PrincipleClass 11ExpertFundamental Principle Of CountingPermutations And CombinationsMathematics
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