|Que.||Let a * H and b * H be two co-sets of H.
(i) Either a * H and b * H are disjoint
(ii) a * H and b * H are identical
|a.||only (i) is true|
|b.||only (ii) is true|
|c.||(i) or (ii) is true|
|d.||(i) and (ii) is false|
|Answer:(i) or (ii) is true|