1.

How many 3−digit numbers can be formed from the digits 1,2,3,4 and 5 assuming that(i) Repetition of the digits is allowed.(ii) Repetition of the digits is not allowed.

Answer» How many 3digit numbers can be formed from the digits 1,2,3,4 and 5 assuming that

(i) Repetition of the digits is allowed.

(ii) Repetition of the digits is not allowed.


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