Out of 7 men and 4 ladies a committee 5 should be formed in how many ways this can be done so that include at least three ladies
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Please calculate the answer ✌️
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answer will be 30240
3×4×5×6×7=2520
2×3×4×5×6×7=5040
therefore add these two 2520+5040=7560
hence 7560×4 =30240
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