Reasoning Materials for Postal Assistant Examination 2014
The efficiency in doing the problems of blood relations depends upon the knowledge of the blood relations. Some of the important relations are given below,
a) My mother’s or father’s son is my Brother.
b) My mother’s or father’s daughter is my Sister.
c) My mother’s or father’s father is my Grandfather.
d) My mother’s or father’s sister is my Aunt.
e) My mother’s or father’s brother is my Uncle.
f) My son’s wife is my daughter-in-law.
g) My daughter’s husband is my Son-in-law.
h) My brother’s son is my Nephew.
i) My brother’s daughter is my Neice.
j) My sister’s husband is my brother-in-law.
k) My brother’s wife is my Sister-in-law.
l) My husband’s wifer’s sister is my Sister-in-law.
m) My busbank’s or Wife’s brother is my Brother-in-law.
n) My uncle’s or aunt’s son or daughter is my Cousin.
o) My wife’s father or husband’s father is my Father-in-law.
p) My wife’s mother or husband’s motherr is my Mother-in-law.
q) My fahter’s wife is my Mother.
r) My mother’s husband is my Father.
s) My son’s or daughter’s son is my Grandson.
t) My son’s or daughter’s daughter is my Granddaughter.
Examples for Blood Relationship
Ex:- A man pointing to a photographer says "the lady in the photograph is my nephew's maternal grandmother" .How is the lady in the photograph related to the man's sister who has no other sister ?
a)Cousin b) Sister-in -law c)Mother d)Mother-in-law
Solution: Clearly the lady is the grandmother of man's sister's son that is the mother of the mother of man's sister's son that is the mother of man's sister.Hence the answer is c
Ex: A woman going with a boy is asked by another woman about the relationship between them .The womwn replied ,"My maternal uncle and the uncle of his maternal uncle is the same". How is the lady related with that boy?
a)grandmother and Grandson b)Mother and son
c)Aunt and nephew d)None of these
Solution:Clearly the brother of woman's mother is the same as the brother of the father of boys maternal uncle .So, the womans mother's brother is the boy's maternal uncle's father ,Thus the woman's mother's brother's son is boy's maternal uncle that is ,woman's mother's brother's daughter is boy's mother .So the woman and boy's mother are cousins. Thus the woman is boys aunt .Hence the answer is c
Ex: Pointing out to a lady ,Rajan said ,"she is the daughter of the woman who is the mother of the husband of my mother ."Who is the lady to Rajan ?
a)Aunt b)Grand daughter c) Daughter d)Sister e) Sister-in-law
Solution:The relation may be analysed as follows
Mother's husband --Father ;Father's mother --Grandmother ; Grandmother's daughter -- Father's sister,Father's sister --Aunt
Hence, the answer is a
Ex: 1. Pointing towards a person a man said to a woman "His mother is the only daughter of your father . How is the woman related to that person?
a)Daughter b) Sister c)Mother d) wife
sol: The only daughter of woman's father is she herself ,so the person is woman's son that is the woman is the person's mother .Hence the answer is c
Ex: 2) Pointing to a lady in a photograph ,Shaloo said , "Her sons father is the son-in-law of my mother ," How is shaloo related to the lady ?
a)Aunt b) Sister c)Mother d) Cousin e) nono of these
sol:Lady's son's father is lady's husband .So the lady's husband is the son -in law of shaloo's mother that is the lady is the daughter of shaloo's mother .Thus Shaloo is the lady's sister . Hence the answer is b
Ex- 3: Anil introduces Rohit as the son of the only brother of his father's wife. How is Rohit related to Anil
a)Cousin b) Son c) Uncle d) Son-in-law e) Brother
sol: The relation may be analysed as follow
Father's wife --Mother ,Mother's brother --Uncle ,Uncle's son --Cousin
So ,Rohit is Anils Cousin .Hence answer is a
Ex-4:Pointing towards a person in the photograph Anjali said "He is the only son of the father of my sister's brother " . How is that person related to Anjali ?
a) Mother b) Father c) Maternal uncle d)Cousin e)none of these
sol:Relation may be analysed as follow
Sisters brother -- Brother ,Brother's father -Father , Father's son -Brother
So the person in the photograph is Anjali's brother .Hence the answer is e
Ex-5: Rita told Mani,"The girl i met yesterday at the beach was the youngest daughter of the brother-in-law of my freind's mother " How is the girl related to Rita's freind ?
a) Cousin b) Daughter c) Nice d) Freind e)Aunt
sol: The relation may be analysed as follow
Daughter of brother -in-law --Niece : Mother niece --Cousin : so the girl is the cousin of Rita's freind . Hence the answer is a
TYPE-2 BLOOD RELATIONS
Direction : Read the following information and answer the question given below it .
A is the father of a C .But C is not his son .E is the daughter of C .F is the spouse of A.B is the brother of C. D is the son of B.G is the spouse of B. H is the father of G.
Q.:- Who is the grandmother of D?
a) A b) C c) F d) H
Solutions:- ( answer is c.) D is the son of B, B is the brother of C and A is the father of C. Thus means that B is the father of D and A is the father of B . So , A is the grandfather of D. Since F is the spouse of A, So F is the grandmother of D.
Q.) Who is the son of F?
a) B b) C c) D d) E
Solutions:- ( Answer is a.) As explained above , B is the son of A and F is the spouse of A. So , B is the son of F.
EXAMPLE
i) In a family of six persons A, B, C, D, E, and F, There are two married couples .
ii). D is grandmother of A and mother of F.
iii). C is wife of B and mother of F.
iv) F is the granddaughter of E.
Q:- What is C to A?
a) Daughter b) grandmother c) mother d) cannot be determined e) none of these
Solutions:- ( answer is c.) Cis the wife of B and D is the mother of B. Also , D is grandmother of A. So , C is the mother of A.
Q.:- How many male members are there in the family?
a) two b) three c) four d) cannot be determined e) none of these
Solutions:- Clearly the sex of A cannot be determined so answer is (d).
Q:- Which of the following is true?
a) A is brother of F.
b) A is the sister of F.
c) D has two grandsons .
d) B has two daughters
e) None of these.
Solutions:-The sex of A is not known, so, neither (a) nor (b) is definitely true. Clearly, D is the grandmother of A and F. So, the answer is (e).
Q.) Who among the following is one of the couples.
a) CD b) DE c) EB d) Cannot be determined e) None of these
Solutions:- C is the wife of B, so , one couple is BC. Now , D is grandmother of A. B is the son of D and his wife C is the mother of F . So , D is also grandmother of F. But F is the granddaughter of E . So , E is the grandfather of F and the husband of D . Thus , DE is another couple. Therefore , our answer is (b).
Ex. Read the following information and answer the questions given below :
A is the son of B. C, B's sister has a son D and a daughter E. F is the maternal uncle of D.
Q. How is A related to D?
a) cousin b) nephew c) uncle d)brother
Q. How is E related to F?
a) sister b) Daughter c) Niece d) Wife
Q. How many nephews does F have ?
a) nil b) one c) two d) three
Solutions:- First answer is (a) . A is the son of B and D is the son of the sister of B. So , A is the cousin of D.
Second answer is (c). E is the daughter of C and D is the son of C. So, F, who is the maternal uncle of D, is also the maternal uncle of E. Thus , E is the niece of F.
Third answer is (c). Clearly , F is the maternal uncle of D means F is the brother of D's mother i.e. F is the brother of C. C is the sister of B. So , F is the brother of B who is A's mother . Thus F is the maternal uncle of A . So , A and D are the nephews of F i.e.F has two nephews.
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