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Mathematics and Statistics
There are 8 doctors and 4 lawyers in a panel. Find the number of ways for selecting a team of 6 if at least one doctor must be in the team.
Chapter: [2.6] Permutations and Combinations
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Four parallel lines intersect another set of five parallel lines. Find the number of distinct parallelograms that can be formed.
Chapter: [2.6] Permutations and Combinations
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