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How many 3-digit even numbers can be formed from the digits 0, 2, 4, 6, and 8 without repetition?

Answer and explanation

Correct answer: 48 numbers

All available digits are even. If the units digit is 0, there are 4 choices for the hundreds digit and 3 for the tens digit, giving 12 numbers. If the units digit is one of 2, 4, 6, or 8, there are 4 choices for it, 3 nonzero choices for the hundreds digit, and 3 choices for the tens digit. This gives 36 more numbers, for a total of 12 + 36 = 48.

Related tags

Permutations And CombinationsFundamental Counting PrincipleFundamental Principle Of CountingMathematicsClass 11 Mcq

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