# How many 2

How many three lettered words can be formed from letters A B C D E G H if repeats are:
a) not allowed
b) allowed

Result

n1 =  210
n2 =  343

#### Solution:

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#### To solve this example are needed these knowledge from mathematics:

See also our combinations with repetition calculator. See also our permutations calculator. Would you like to compute count of combinations?

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