Blood Relations used to be a tough topic but not anymore.

Here are some of the common type of question to catch the answer as fast as possible

Nowadays, Three common types of Blood relation questions are coming:

i)Normal questions

ii)Coded Blood Relations

iii)pointing question(Someone pointed to someone)

TIPS:

i)If the age group is the same, use a ------- to represent the same level. It is applicable for sister, brother, cousin.

ii)If the age group is above us, use an arrow pointing upwards to indicate a higher level. It is applicable for Father, Mother, Uncle, Aunt.

iii)If the age group is below us, use an arrow pointing downwards to indicate lower level. It is applicable for Daughter, Son, Nephew, Niece.

                                                                                                     Normal question

If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

A.Brother

B.Sister

C.Nephew

D.Cannot be determined

Solution:

If D is Male, the answer is Nephew.

If D is Female, the answer is Niece.

As the sex of D is not known, hence, the relation between D and A cannot be determined.

Note: Niece - A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law. Nephew - A son of one's brother or sister, or of one's brother-in-law or sister-in-law.

                                                                                                                    Coded Questions

If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?

A.M - N x C + F

B.F - C + N x M

C.N + M - F X C

D.M x N - C + F

Answer: Option D

Explanation:

M x N → M is the father of N

N - C → N is the sister of C

and C + F → C is the brother of F.

Hence, M is the father of C or C is the son of M.

                                                                                                                    Someone pointing/saying to someone

Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?

A.Brother

B.Nephew

C.Uncle

D.Son-in-law

Answer: Option A

Explanation:

The father of the boy's uncle → the grandfather of the boy and daughter of the grandfather → sister of the father.

note: The examples here are taken from indiabix.