1) Calculate the number of simple class 4 arrangements that can be obtained with 6 objects. a) 120 b) 240 c) 360 d) 480 2) How many 4-digit numbers can be obtained with digits 1 to 9 without ever using the same digit more than once? digit more than once? a) 924 b) 1024 c) 2024 d) 3024 3) How many permutations of 4 distinct objects is it possible to obtain? a) 4 b) 24 c) 16 d) 32 4) How many anagrams is it possible to obtain, even if meaningless, from the word "peace"? a) 120 b) 240 c) 360 d) 60 5) How many class 3 combinations can be obtained with 5 objects? a) 30 b) 10 c) 16 d) 20 6) Using the 3 digits 1, 2, 7, how many different 2-digit numbers digits can be written if each number can be repeated? a) 18 b) 9 c) 15 d) 12

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