Question
In how many ways can you arrange 3 identical cubes, 2
identical pens, and 1 ball such that all 3 cubes are not together?Solution
Total = 6! / (3! * 2!) = 60
Cubes together: 1 block + 2 pens + 1 ball = 4! / 2! = 12
Required = 60 - 12 = 48
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