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.
A
I alone is sufficient while II alone is not sufficient
B
II alone is sufficient while I alone is not sufficient
C
Either I or II is sufficient
D
Neither I nor II is sufficient
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.