There are 4 ways of selecting 3 notepads of the same size and color.
Also, keeping just the size restriction, there are 4 ways of packaging 3 notepads of different colors from the available 4 colors.
Therefore, there are 8 ways in total to select a size of notepad for packaging.
Since, there are 2 different sizes, therefore there are 8*2 = 16 ways of packaging them
office supply
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Source: Beat The GMAT — Problem Solving |
