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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingEasy
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How many (2)-digit even numbers can be formed from digits (1,2,3,4,5,6) without repetition?

Answer and explanation

Correct answer: (15)

The units place has (3) choices from (2,4,6), and (5) choices remain for the tens place. Total ways are (3\times5=15).

Related tags

Permutations And CombinationsCounting PrincipleEven NumbersFundamental Principle Of CountingMathematicsClass 11 Mcq
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