ForumRahul Singh2020-08-07T12:05:01+05:30 Register here to ask questions! Forums Members Recent Posts Forums Doubt Solving for C... Arithmetic Doubts Permutations and Co... Permutations and co... Share: Notifications Clear all Permutations and combinations Last Post Ishita Jain (@ishitajain) Trusted Member Q. 31 Quote Topic starter Posted : 18/08/2021 3:00 pm Rahul Singh (@rahul) Admin ReplyQuote Posted : 27/08/2021 1:05 am Ishita Jain (@ishitajain) Trusted Member @rahul why have you taken number of pair standing as N? ReplyQuote Topic starter Posted : 05/09/2021 3:15 pm Share: