Question: From the letters A,B,C,D and E, in how many different ways in which a pair of objects can be selected from five distinguishable objects.your answer

From the letters A,B,C,D and E, in how many different ways in which a pair of objects can be selected from five distinguishable objects.your answer is just a number.

From the letters A, B, C, D, and E, In how many different ways in which a pair of objects can be selected from five distinguishable objects. Your answer just a number

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