Reasoning Aptitude Free - Study Notes
5. BLOOD RELATIONSHIP
In this test, the success of a candidate depends upon the knowledge of the blood relations, some of which are summarized below to help you solve these tests.
Mother's or father's son - Brother
Mother's or father's daughter - Sister
Mother's or father's brother - Uncle
Mother's or father's sister - Aunt
Mother's or father's mother - Grandmother
Mother's or father's father - Grandfather
Son's wife - Daughter-in-law
Daughter's husband - Son-in-law
Husband's or wife's brother - Brother-in-law
Sister's or brother's son - Nephew
Brother's or Sister's daughter - Niece
Uncle's or aunt's son or daughter - Cousin
Sister's husband - Brother-in-law
Brother's wife - Sister-in-law
Example - Introducing a girl, Santhosh said, 'Her mother is the only daughter of my mother-in-law'. How is Santhosh related to the girl ?
(1) Uncle (2) Husband (3) Brother (4) Father (5) None of these
Answer - (4)
Solution - Only daughter of mother-in-law = wife i.e. girl's mother is Santhosh's wife. Santhosh is the father of the girl.
Example - Pointing to a lady a man said, 'the son of her only brother is the brother of my wife'. How is the lady related to the man ?
(1) Mother's sister (2) Grandmother (3) Mother-in-law (4) Sister of the Man's father-in-law (5) None of these
Answer - (4)
Solution - Brother of wife = brother-in-law. Son of lady's brother is his brother-in-law. So the lady's brother is man's father-in-law i.e. the lady is the sister of man's father-in-law.