NIACL Model Paper 8 with solutions for free online practice

Since H has only one daughter ⇒ other children of H and G will be males i.e., M, N and Z are all males ⇒ So, spouse of Z (i.e., F) will be female.Now, sex of only W and X are not known though one of them is male and one female.
(4) Here sex of married couple X and W are not known.Now, if X is female i.e. wife of W then W will be jija (Brother-in- law) of I (brother of X)
If X is male i.e. husband of W then W will be bhabhi (sister-in-law) of I (brother of X).
Hence, relation cannot be determined