How To Solve Blood Relation Questions Quickly

August 17, 2023

How To Solve Blood Relation Questions Quickly

How To Solve Blood Relation Questions Quickly: 

This page will cover all you need to know on How To Solve Blood Relation Questions Quickly since time is the most important factor in any exam.

Before anything to go further deep always follow these steps –

  • Apply to yourself – Try to solve the problem as yourself. e.g. Raman’s Child’s Daughter = My Child’s Daughter
  • Break and Build the Problem – e.g. My Child’s Daughter = My Grand Daughter
  • Don’t assume Gender i.e. My Child’s Daughter in this Child can be anything son or daughter
  • If problem is complicate make Family Tree always(We will teach how to make family tree)How To Solve Blood Relation Questions Quickly.

How To Solve Blood Relation Questions Quickly: 

This page will cover all you need to know on How To Solve Blood Relation Questions Quickly since time is the most important factor in any exam.

Before anything to go further deep always follow these steps –

  • Apply to yourself – Try to solve the problem as yourself. e.g. Raman’s Child’s Daughter = My Child’s Daughter
  • Break and Build the Problem – e.g. My Child’s Daughter = My Grand Daughter
  • Don’t assume Gender i.e. My Child’s Daughter in this Child can be anything son or daughter
  • If problem is complicate make Family Tree always(We will teach how to make family tree)How To Solve Blood Relation Questions Quickly.
How To Solve Blood Relation Questions Quickly

Best know how keywords

  • Spouse – Husband or Wife
  • Sibling – Brother or Sister(From own Parent)
  • Cousin – In Indian terms Brother and Sister from Uncle/Aunt’s)
  • Uncle – Can be any of the following
    • Father’s brother(Hindi – Chacha)
    • Mother’s brother(Hindi – Mama)
    • Father’s sister’s husband( Hindi – Phupa)
    • Mother’s Sisters Husband(Hindi – Mausa)
  • Aunt – Can be any of the following
    • Father’s Sister(Hindi – Bua)
    • Mother’s Sister(Hindi – Mausi)
    • Father’s brother’s wife( Hindi – Chachi)
    • Mother’s brothers Wife(Hindi – Mami)

Brother-in-law” and “Sister-in-law” can be any of the following

  1. Brother in Law
    1. Brother of Spouse(Hindi – Saala)
    2. Husband of Sister(Hindi – Jija) Assume this if limited information is given
    3. Husband of Spouse’s Sister(Hindi – Saala(Far off) For Blood Relation problem never consider this
  2. Sister in Law
    1. Sister of Spouse( Hindi – Saali))
    2. Wife of brother(Hindi – Bhabhi),Assume this if limited information is given
    3. Wife of Spouse’s brother ( Hindi – Saali(far off)) For Blood Relation problem never consider this
  3. Maternal – Mother’s Side
  4. Paternal – Father’s Side
How To Solve Blood Relation Questions Quickly

Family Tree Method to solve Blood Relations Questions quickly

Note – This method is copyright of PrepInsta, you will only find it on PrepInsta, using this method to solve will lead to copyright issue. Rules –
  • Use + or Male and (-) for female
  • Imagine your family in the situation if you get stuck
  • Keep same generations at same level
  • Circles mean they are couple, i.e. husband and wife.
  • Array means you’re going down to next generation. i.e. A -> B means a is father or mother of B.
    • (+)A-> B means a is father of B.
    • (-)A-> B means a is mother of B.
  • If you miss a generation due to no information provided then name them ? for time being
    • A is grandfather of C, will be (+)A -> ? -> C
  • You also make circles and two ? if you think that later on couple relationship may be established
    • A is grandfather of C, will be (+)A -> (**inside Circle?/?inside Circle**) -> C (see example 1 for demo)
  • Always give Initials for names i.e. R for Raman, Aj for Ajay and Ak for Akash.
  • If there is no tight relationship(Mostly in case of in Law type questions which are complicated) use dotted arrays and to multiple relationships possible.
Let us learn from an example – 

Ques. A is sister of B. C is the father of B. D is the wife of C and E is the father of D. How is E related to B?

Ans. Now, basic approach that you may be following is let us assume I am B so A is my siter….. you will start like this. Now, this approach may work well in easy questions, but not work in following instances
  • Doesn’t work with long, lengthy and difficulty questions. Since, mind can’t store a 3 level of great great grandfather and in laws type of relationships info (We did a survey average mind can only remember/apply logic to upto 6 relationships not more.
  • Second case you will either assume yourself as male or female automatically, while in the question the person you applying your position logic to, may be of different gender than yours, so you will come at wrong outcome
In these cases Family Tree method works – Now let’s look at the problem again.

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Ques. A is sister of B. C is the father of B. D is the wife of C and E is the father of D. How is E related to B?
A is the sister of B consider this situation and lets come at outcomes
  • A is female
  • A is sister of B
  • B’s sex is unknown
  • A and B’s parents are unknown
All this info can be drawn in 5 seconds like we have done in the right hand side

C is the Father of B from this we get to know the following after adding to Family Tree

  • C is male
  • C is father of B
  • C is also father of A
  • Mother is still known
how to solve quicky blood relations questions

D is the wife of C from this we draw family tree and observe that –

  • D is female
  • D is mother of A and B
blood relations method to solve quickly

E is the father of D add to the diagram

  • E is Male
  • E is father of D
how to solve blood relationship question quickly

Example Tough Problem

Saroj is mother-in-law of Vani who is sister-in-law of Deepak. Rajeesh is father of Ramesh, the only brother of Deepak. How is Saroj related to Deepak?

Step 1

Saroj is mother-in-law of Vani

Step 2

Vani who is sister-in-law of Deepak, Now two options are there, since sister in law can mean two things

  • Deepak is Vani’s Sister’s Husband
  • Deepak is Vani’s Husband’s brother

Step 3

Rajesh is father of Ramesh

how to solve quickly blood relation

Step 4

Ramesh is only brother of Deepak

Now, Deepak may be Vani’s Sister Husband or Deepak maybe Vani’s Husband’s brother.

How is Saroj related to Deepak

Make a dotted diagram for both options above and lets check the options, option will have only one of the possibility

Options are – Mother, Sister and Grand Mother

For Case 2 i.e. Deepak maybe Vani’s Husband’s brother, Saroj is mother of Deepak. Hence Solved.

how to solve quickly blood relations

CONVERSATION OR STATEMENT BASED QUESTIONS:

Question 1: 

Rahul said, “Alia is the daughter of the sister of my father’s only son.”
How is Alia related to Rahul?

  1. Daughter
  2. Niece
  3. Sister
  4. Mother

Correct Option: B

Explanation:

My father’s only son → Rahul
Daughter of Rahul’s sister → Niece
Hence, A is the niece of Rahul.

Question 2: 

Pointing to Sarthak, Nidhi said, “His mother’s brother is the father of my son Nikhil.” How is Sarthak related to Nidhi?

Options:

A. Wife’s brother
B. Niece
C. Nephew
D. Nidhi’s son

Correct Option: C.

Explanation:

Hence, Sarthak is the nephew of Nidhi.

Puzzle based questions:

Follow these symbols to avoid confusion.

+ Male
– Female
——- The same generation, i.e., brother – sister, brother – brother, sister – sister
________ Different generation i.e. mother – daughter, father – daughterCouple (husband and wife)

Question 1 

R is the father of K, but K is not his son. M is the daughter of K. S is the wife of R. G is the brother of K. H is the son of G. E is the spouse of G. A is the father of E. Who is the granddaughter of R?

Options:

A. H
B. M
C. E
D. S

Correct Option: B.

Explanation:

M is the granddaughter of R because M is the daughter of K and K is the daughter of R.

Question 2 

Read the information carefully and answer the question given below it.

•A family consists of six members Priya, Qyra, Ronak, Xolo, Yatif, and Zen.
•Qyra is the son of Riya, but Ronak is not the mother of Qyra.
•Priya and Ronak are a married couple.
•Yatif is the brother of Ronak, Xolo is the daughter of Priya.
•Zen is the brother of Priya.

Question:

A. Who is the brother in law of Riya?
B. How many female members are there in the family?
C. How is Qyra related to Xolo?
D. How is Yatif related to Priya?

Explanation:

(Note, the question is solved by taking the initials of each name.)
We need to solve these question line by line.
1.  Qyra is the son of Ronak, but Ronak is not the mother of Qyra. It implies that Ronak is the father of Qyra.

2. Priya and Ronak are married couples. It means that Priya and Ronak are parents of Qyra.

3. Yatif is the brother of Ronak, Xolo is the daughter of Priya. It implies that Qyra and Xolo are brother and sister,

4. Zen is the brother of Priya.

Based on the information drawn,
A. Zen is the brother–in– law of Ronak
B. Two Priya and Xolo
C. Qyra is the brother of Xolo
D. Yatif is the brother – in – law of Priya.

Question 3 

Sam goes to New York, and there he meet Nancy, who is the sister of ‘Sam’s wife. How is ‘Nancy related to ‘Sam?

Options:

A. Friend
B. Sister
C. Cousin
D. Sister – in – law

Correct Option: D.

Explanation:

Nancy is the sister- in – law of Sam as she is the sister of Sam’s wife.
Hence option D is the correct one.

Code Based Questions:

In Such type of questions, different relations are presented in the form of symbols like , #, $, %, etc. (These are the most commonly used symbols.)

Question 1 

Solve the question based on the symbols given.

I + J means; I is the mother of J
I – J means; I is the brother J
I % J means; I is the father of J
I x J means; I is the sister of J
Which of the following shows that A is the maternal uncle of B

A. B – N + M * A
B. A + S * N – B
C. A – M + N * B
D. B – S % A

Correct Option: C

Explanation:

A -(→┴brother ) M+(→┴mother ) N *(→┴sister ) B

 

Question 2 

Read the information carefully and answer the following question?

A © B means B is the brother of A
A = B means B is the sister of A
A & B means A is the son of B
A @ B means A is the Mother of B
What does the expression ‘E @ F = G © H & I’ say?

Options: 

A. I is the husband of E
B. F is the son of I
C. E is the daughter of I
D. I is the wife of E

Correct Option: A

Explanation:

E□(→┴mother ) F□(←┴sister ) G □(←┴brother ) H □(→┴son ) I
Hence the expression ‘E @ F = G © H & I’ say that I is the husband of E
Therefore option A is the correct one.

 

Question 3 

Read the information carefully and answer the following question?

A # B means; A is the daughter of B
A © B means; B is the brother of A
A = B means; B is the sister of A
A & B means; A is the son of B
A * B means; A is the father of B
A @ B means; A is the mother of B
Which of the following indicates that ‘E is the paternal uncle of A’?

Options: 

A. E & D # B @ C © A
B. E & D & C @ B © A
C. A & C & B @ D © E
D. A & B # D @ C © E

Correct Option: C

Explanation:

A &(→┴son ) C &(→┴son ) B @(→┴mother ) D©(←┴brother ) E
Hence option C indicates that E is the paternal uncle of A.

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