JEE Advanced Mathematics question

The number of 6-digit numbers that can be made with the digits 0, 1, 2, 3, 4 and 5 so that even digits occupy odd places, is

Answer: (A)

Solution

All six digits are used once each. Counting places from the left, the odd places are the 1st, 3rd and 5th: .

- The even digits 0, 2, 4 fill the three odd

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Question ID VK-108150