A man Xhas 7friends, 4of them are ladies and 3are men. His wife Ya | Filo
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class 11



Permutations and Combinations

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A man has friends, of them are ladies and are men. His wife also has friends, of them are ladies and 4 are men. Assume and have no common friends. Then the total number of ways in which and together can throw a party inviting 3 ladies and 3 men, so that 3 friends of each of and are in the party, is :469 (2) 484 (3) 485 (4) 468

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