Blood Relations


In this chapter we will study the different types of blood relations. A relation on the mother's side is called 'maternal' while that on the father's side is called 'Paternal'. Thus mother's brother is 'maternal uncle' while father's brother is 'paternal uncle'.

To solve these types of questions, one should put all the information in a family tree diagram. Also, he must have clear understanding on BLOOD RELATION.

Symbols to Represent Relationship:

Relationship Table:

Example- Pointing to a woman, a lady said, “she is the daughter of my husband’s daughter”. How is the woman related to this lady?
(a) Granddaughter (b) son (c) Daughter (d) Mother (e) None of these
Solution:- Option (a): Grand daughter

Example- Study the following information carefully:
“P × Q” means “P is wife of Q”
P ÷ Q means “ P is father of Q”
P + Q means “ P is son of Q”
P – Q means “ P is sister of Q”

In J – F + R × B, how is R related to J?
(a) Father (b) mother (c) Paternal Aunt (d) Cannot be determined (e) none of these
Solution:-

Example- In a family of six persons A, B, C, D, E and F there are two married couples. D is grandmother of A and mother of B. C is wife of B and mother of F. F is the granddaughter of E.

1. What is C to A?
(a) Daughter (b) grandmother (c) mother (d) cannot be determine (e) None of these

2. How many male members are there in the family?
(a) one (b) two (c) three (d) cannot be determine (e) None of these

3. Who among the following is one of the couples?
(a) CD (b) DE (c) EB (d) cannot be determine (e) None of these

4. Which of the following is true?
(a) A is brother of F (b) A is sister of F (c) D has two grand sons (d) B has two daughters (e) None of these
Solution:-

1.(c) C is mother of A

2. (c) three

3. (b) DE

4. (a)