1.

A guard of 12 men is formed from a group of n soldiers in all possible ways. If the number of times two particular soldiers A and B are together on guardis thrice the number of times there particular soldiers C,D,E are together on gurard, then n =

Answer»

A guard of 12 men is formed from a group of n soldiers in all possible ways. If the number of times two particular soldiers A and B are together on guardis thrice the number of times there particular soldiers C,D,E are together on gurard, then n =




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