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Blood Relation Short Tricks & Questions with solutions

‘Blood Relation’- This chapter is a ‘must do’ chapter. In every exam 3 – 5 questions come from this chapter. So, understand its concept and practice its questions. Blood relation is an important topic keeping in view the competitive exams. Blood relation shows the different relations among the members of a family. Based on the information given, we have to find relation between particular members of the family. In Blood Relation question certain information is given about the members of the family. Based on that information you need to find out the relationship between particular member of the family.

From given generation tree we can deduce
some important relationship between family
members:-

  1. A is Father of C, E and D
  2. B is Mother of C, E and D
  3. F is Brother of A
  4. F is Brother in law of B
  5. A is Husband of B
  6. B is Wife of A
  7. F is Uncle of E, C and D
  8. C and E are Son of A and
  9. D is Daughter of A and B
  10. D is Sister of E and C
  11. E is Brother of C and D
  12. C is Brother of E and D
  13. A is Grandfather of G
  14. B is Grandmother of G
  15. G is Granddaughter of A and B

TYPES OF PROBLEMS:-

1) General Problems on Blood Relation.
(2) Blood Relation based on Family Tree.
(3) Coded Blood Relation.
Example 1 :- Q is the brother of C and C is the sister of Q. R and D are brother and sister. R is the son of A while A & C are wife and husband. How is Q related with D.

Solution :- For such type of question a family tree is made in which some symbols are used as below:

  • Male
    _ Female
    | Next Generation
  • Husband& Wife
    = Brother and Sister
    Adopting and using the above given symbols we can make a family tree and solve the given problem, let us see the family tree :

Step 1 – As per the question Q is the brother of C and C is the sister of Q. Hence, relation between C & Q has been presented as

where ‘–’ sign above C makes it clear that C is a female and ‘+’ sign above ‘Q’ makes it clear that Q is a male

Step 2 – For R and D. The presentation

has been made

Step 3 – A and C are having a husband and wife relationship and hence this has been presented

Step 4 – As it is already given that C is the sister of Q and A and C are wife and husband, this becomes clear that A is the male member of the family and this is the reason A has ‘+’ as its gender sign. Lastly, the vertical line gives father and son relationship and has been presented as

Now from this family tree it becomes clear that C is the mother of R and D and as Q is the brother of C, then Q will definitely be the maternal uncle of R & D. Hence, we can say that Q is the maternal uncle of D and this is
the required answer for our question.
Note : In solving family tree based relations make sure that your diagram is in correct representation.

Example 2 :- If P + Q means P is husband of Q,P/Q means P is the sister of Q,
PQ means P is the son of Q. How is D related to A in DB + C/A?

Solution :- C/A – >C is sister of A. B + C/A –> B is brother-in-law of A(Sister’s husband – broter-in-law) D*B + C/A – >D is nephew of (Sister’s husband’s son means sister’s son i.e., nephew)
So, D is nephew to A.

So, it is clearly shown that D is nephew to A

PRACTICE QUESTIONS

Directions : Read the following information carefully and answer the questions given below.
P+Q means P is mother of Q
P- Q means P is mother of Q
P/ Q means P is sister of Q
PQ means P is wife of Q P%Q means P is son of

Q 1). If ‘M+S+N%P’, then how is M related to N?

a) Grandson b) Maternal grandmother c) Paternal grandmother d) Granddaughter e) None of these

2). If ‘P%T- Q/ U%R, then how is U related to T?

a) Father b) Mother c) Son d) Daughter e) None of these

3). Which of the following shows that J is son-in-law of I?

a) NI-L- K/M%J b) NI-L+K/M%J c) I-L+K/M+N%J d) NI-L- K/M+J e) None of these

R is the father of P, who is a son-in-law of M and S is the mother of G. S is a sister of K, who is a brother-in-law of P and H is the daughter of T, who is a grandmother of G.

4). How is G related to P?
a) Son
b) Daughter
c) Granddaughter
d) Grandson
e) Cannot be determined

5). If M is a female, then how is H related to S?
a) Sister
b) Sister-in-law
c) Niece
d) Cannot be determined
e) None of these

6). If K married to N, then how is N related to M?
a) Son-in-law
b) Daughter-in-law
c) Mother-in-law
d) Father-in-law
e) None of these

7). Pointing a photograph, Sheela said, he is the only son of my grandfather’s only son.How is the boy in the photograph related to Sheela?
a) Brother
b) Cousin
c) Son
d) Cannot be determined
e) None of these

8). Pointing a girl, Prasan said, she is the only granddaughter of my wife’s grandfather’s only child. How is the girl related to Prasan?
a) Sister
b) Niece
c) Daughter
d) Cannot be determined
e) None of these

9). P is the sister of Q. R is the father of S, who is the brother of Q. R married to T. How is Q related to T?
a) Son
b) Daughter
c) Either son or daughter
d) Date inadequate
e) None of these

10). G is the father of K, who is the brother of B. K married to U. B is the daughter of C. D is the father of U and M is the only son of D. How is U related to C?
a) Daughter
b) Daughter-in-law
c) Granddaughter
d) Son-in-law
e) None of these

Directions (Q. 11-12): Read the following information carefully and answer the questions given below
P $ Q means ‘P is the mother of Q’
P @ Q means ‘Q is the wife of P’
P # Q means ‘P is the father of Q’
P % Q means ‘P is the daughter of Q’

12). Which of the following expression
indicates S is the sister of V?
a) Only I and II follows
b) Only II and III follow
c) Only I and III follow
d) None follows
e) All follows

13). K married to S. P is a brother of B. S is a mother of N, who is a brother of B. How is B related to K?
a) Son
b) Daughter
c) Either son or daughter
d) Data Inadequate
e) None of these

14). Pointing to a girl, Mala said, ‘She is the granddaughter of my grandfather’s only son’. How is the girl related to Mala?
a) Niece
b) Sister
c) Daughter
d) Cannot be determined
e) None of these

15). Pointing a boy, Ram said, ‘He is the only son of my grandfather’s son’. How is the boy related to Ram?
a) Son
b) Brother
c) Cousin
d) Data Inadequate
e) None of these

Directions (Q. 16-17): Read the following information carefully and answer the questions given below.

There are seven members A, C, D, E, F, G and H in a family. There are two fathers, one mother, two sisters and four brothers. E is a sister-in-law of D. G is a daughter of C. F is the brother of E. A is a grandfather of G. E is a mother of H.

16). How is H related to A?
a) Grandson
b) Granddaughter
c) Son
d) Cannot be determined
e) None of these

17). How many male members in the family?
a) 4
b) 5
c) 3
d) Data Inadequate
e) None of these

18). If A-B means ‘A is father of B’, A/B means ‘A is sister of B’, A + B means ‘A is daughter of B’ then how is S related to P in M / P – R + S?
a) Mother
b) Wife
c) Sister
d) Cannot be determined
e) None of these

Directions (Q. 19-20): Read the following information carefully and answer the questions given below.
A # B means ‘A is daughter of B’
A $ B means ‘A is husband of B’
A * B means ‘A is brother of B’
A @ B means ‘A is sister of B’

19). If P # Q $ R @ T, which of the following is true?
a) T is the sister of R
b) R is an aunty of P
c) T is the brother-in-law of Q
d) P is the daughter of R
e) None is true

20). If M * P # Q @ R, which of the
following is definitely true?
a) R is the uncle of M
b) P is the cousin of R
c) M is the nephew of P
d) Q is the uncle of M
e) None is true

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