PERMUTATIONS AND COMBINATIONS
118 EXEMPLAR PROBLEMS – MATHEMATICS 6C 4 × 7C 6 + 6C 5 × 7C 5 + 6C 6 × 7C 4 = 105 + 126 + 35 = 266. Long Answer Type Example 8 Suppose m men and n women are to be seated in a row so that no two
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