REASONING ABILITY- Blood Relation 

REASONING ABILITY- Blood Relation: This topic is mandatory and mostly always comes in all the competitive exams. This topic comes under the Reasoning part in which logic are used. Various competitive exam like UPSC,RAILWAYS EXAMS,CRT, UP POLICE, CAT, GATE. All these types of exam contains question based on the Blood Relation.

In this segment candidate have to deal with questions based on Blood Relation. Questions based on Blood-Relation can be of many types but in all the types of question candidates have to relate all the given relation one by one.

Relation on the mother side is called Maternal and that on the father side is called Paternal and if the relation is on the Spouse side(Husband /wife) is called in-law.

NEGATIVE Used for female

POSITIVE used for male

One side arrow for the siblings o r the same generation(like brothers or sisters)

Two side arrow used for the spouse(husband wife relation).

 

RELATION WHICH ARE REQUIRED

Mother’s/Father’s Father- Grand Father

Mother’s/Father’s Mother- Grand Mother

Mother’s/Father’s Brother- Uncle

Mother’s /Father’s Sister- aunt

Son’s wife- Daughter in law

Daughter’s Husband- Son in law

Husband’’s/wife’s Brother- Brother in law

Husband’s/wife Sister- Sister in law

Sister’s/Brother’s Son- Nephew

Sister’s/Brother’s Daughter- Niece

Brother’s Wife- Sister -in- law

Sister’s Husband- Brother- in -law

TYPES OF PROBLEM

1. PUZZLE PROBLEM
2. INDICATING PROBLEM
3. CODING FORM

 

 

PUZZLE FORM

In this type of question relations are writtten in a puzzled way.

 

1. Read the following information carefully and answer the questions.

All the six members of a family A,B,C,D,E,F, are traveling together. B is the son of  but C is not the Mother of B. A and C are a married couple. E is the Brother of C. D is the daughter of A . F is sister of B.

Q1. How many children does C have?

3

Q2. Which of the represent a married couple?

C & A

Q3. How is E related to F?

Uncle

Q4. How many brothers does f have?

1

Q5. Who is the son of A?

B.

INDICATING PROBLEM

In this type of question a man/woman define a relationship to any other person to whom that man/woman indicate with the help of chain of relations.

EXAMPLE-

Q1. Pointing to a woman.  Nirmal said She is the only daughter of my wife grand father only child. How is the woman related to Nirmal.

(Wife)

Q2. Pointing to a boy, Madhu says He is the only son of my father-in-law only son. How that lady is related to that boy?

(Mother)

 

CODING FORM

In this type of questions relations are given in coded form. Here some signs are used to define the realtion and questions are put in code form also.

EXAMPLE-

1. A*B means A is mother of B.
2. A –B means A is father of B.
3. A/B means A is Brother of B.
4. A+B means A is sister of B.

 

Q1. In the expression M-D+K How D is related to M.

(Daughter)

 

KEY FACTORS

With the help of some points you can easily solve blood realtion.

1. One should classify Male and Female as
2. +male     female-
3. Husband wife realtion called spouse denoted by double sided arrow
4. Son and Daughter as single side arrow