Math325 practice Test 1 (on 2.1 to 2.6, 3.1, 3.2, 5.1, 5.2, 5.4, 5.5) 1.Consider 4-digit numbers whose digits are either 1, 2, 3, 4, or 5. a.How many numbers are there? b.How many numbers are there if the digits are distinct? c.How many odd numbers are there if the digits are distinct? 2.In how many ways can seven men and seven women be seated at a round table if the men and women are to sit in alternate seats?