How many 3-digits even numbers can be made using the digits 1, 2, 3, 4, 6, 7, if no digit is repeated?

MHT CET Mathematics question

How many -digits even numbers can be made using the digits , if no digit is repeated?

Answer: (A)

The unit's digit must be even: or , so ways. The hundred's digit can then be any of the remaining

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Question ID VK-027779