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In a class of 12 boys and 8 girls, 6 students are selected at random to form a team in an inter-school Mathematics competition. (Show your steps in this question) (a) How many different teams can be formed? (1 marks) (b) If all members in the team are of the same gender, how many different teams can be formed? (2 marks) (c) How many different teams can be formed if the team has at least one boy? (2 marks)