7 couples are there in a society. The selection of pairs are to be done for a mixed double badminton tournament. In how many ways we can choose these pairs?


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Question Number 1775 by lakshaysethi039 last updated on 26/Sep/15

$7 c o u p l e s a r e t h e r e i n a s o c i e t y . T h e s e l e c t i o n o f$ $p a i r s a r e t o b e d o n e f o r a m i x e d d o u b l e b a d m i n t o n$ $t o u r n a m e n t . I n h o w m a n y w a y s w e c a n c h o o s e$ $t h e s e p a i r s ?$
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