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Statistics for Data Science I, Quiz 1
Find the number of different necklaces that can be made from 21 identical pearls and 2 different diamonds.(Consider clockwise and anti-clockwise as same arrangement)
Find the number of different necklaces that can be made from 21 identical pearls and 2 different diamonds.(Consider clockwise and anti-clockwise as same arrangement) There are five pairs of shoes of different sizes. Each of the 10 shoes can be coloured with one of the five colours : Black, Brown, White, Green, and Red. Find the number of ways the shoes can be coloured so that atleast four pairs (the left shoe and the right shoe) do not have the same colour. How many numbers greater than 7000 can be formed from the digits 1, 2, 7, 8, 9? (Repetition is not allowed)