Obligatory is something which is mandatory to do it.
A + B means B is brother of A.
A - B means A is mother of B.
A x B means A is father of B.
A ÷ B means A is son of B.
How is M related to P’s mother?
How is Q related to T?
Who among the following is definitely the son of B?
How is I related to H?
Pointing to a photograph, Kamayani said, "He is the son of my grandfather's only daughter." How is Kamayani related to the boy in the photograph?
How is P related to Q?
If expression ‘F % G # H $ I & J’ is true, then how is mother in law of J related to V, who is unmarried maternal uncle of H?
How B related to F?
How is Q related to N?
