If a die is thrown four times, in how many ways can we award...?

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Brhum

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If a die is thrown four times, in how many ways can we award two sides similar and two different sides?

How to know if its permutation or combination?
 
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Brhum said:
If a die is thrown four times, in how many ways can we award two sides similar and two different sides?

How to know if its permutation or combination?
Click to expand...
Please review the replies you received at your other posting of this exercise. (link) ;)
 
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