How many children does M have? Statements : 1. H is the only daughter of X who is wife of M . 2. K and J are brothers of M.
How many children does M have? Statements : 1. H is the only daughter of X who is wife of M . 2. K and J are brothers of M. Correct Answer Neither I nor II is sufficient
From (1), we conclude that H is the only daughter of M. But this does not indicate that M has no son. The information given in (2) is immaterial.