How many ways are there of arranging the digits 1,2,3,4,5,6 such that the first two digits make a multiple of 3, the middle two digits make a multiple of 4 and the final two digits make a multiple of 5?
(Example: 123645, 12=3x4, 36=4x9, 45=5x9)
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How many ways are there of arranging the digits 1,2,3,4,5,6 such that the first two digits make a multiple of 3, the middle two digits make a multiple of 4 and the final two digits make a multiple of 5?
(Example: 123645, 12=3x4, 36=4x9, 45=5x9)