Tips to solve blood relation questions
1. Apply the question to yourself
This is the best way to solve blood relation questions. Here you try and relate every statement to yourself. The starting name of the statement could be assumed as your name or you2. Break the question into very small parts
When the statement is very long, it can get confusing. So break down every statement in the question into sub statements and solve the question.3. Do not assume the gender
Do not assume the gender of any person in the question just based on the names given in the question.4. Draw clear diagrams as you solve
An easy trick to solve such questions with 100% accuracy is to draw a family try where people of the same generation are placed at the same level and the entire diagram is in the form of a hierarchy.
Indicate + for Male candidate
Indicate – for Female candidate
Indicate <=> for Couple
Indicate - - - - for Same Generation like brother - - - brother (or) sister - - - sister (or) sister - - -brother
Indicate–––––for Different generations like father–––––son (or) mother––––son (or) father––––daughter (or) Mother ––––– daughter
Indicate – for Female candidate
Indicate <=> for Couple
Indicate - - - - for Same Generation like brother - - - brother (or) sister - - - sister (or) sister - - -brother
Indicate–––––for Different generations like father–––––son (or) mother––––son (or) father––––daughter (or) Mother ––––– daughter
In your own language you may know all types of relations. In English also you should know all types of relation without any doubt. Some important relations are provided below. You should remember these relations to solve these types of problems.
Mother's or father's son→ Brother
Mother's or father's daughter→ Sister
Mother's or father's brother→ Uncle
Mother's or father's sister→ Aunt
Mother's or father's father→ Grandfather
Mother's or father's mother→ Grandmother
Son's wife→ Daughter-in-law
Daughter's husband→ Son-in-law
Husband's or wife's sister→ Sister-in-law
Husband's or wife's brother→ Brother-in-law
Brother's son→ Nephew
Brother's daughter→ Niece
Uncle or aunt's son or daughter→ Cousin
Sister's husband→ Brother-in-law
Brother's wife→ Sister-in-law
Grandson's or Granddaughter's daughter→ Great Grand daughter
Mother's or father's daughter→ Sister
Mother's or father's brother→ Uncle
Mother's or father's sister→ Aunt
Mother's or father's father→ Grandfather
Mother's or father's mother→ Grandmother
Son's wife→ Daughter-in-law
Daughter's husband→ Son-in-law
Husband's or wife's sister→ Sister-in-law
Husband's or wife's brother→ Brother-in-law
Brother's son→ Nephew
Brother's daughter→ Niece
Uncle or aunt's son or daughter→ Cousin
Sister's husband→ Brother-in-law
Brother's wife→ Sister-in-law
Grandson's or Granddaughter's daughter→ Great Grand daughter
Type of Problems
- Single Person Blood Relations
- Mixed Blood Relations
- Coded Blood Relations
- Single Person Blood Relations (SPBR)
- These are Relations between two people only.
Direct SPBR: In this the conversation is directly to a person
Example 1
John introduces Mary as the daughter of the only son of my father’s wife. How is Mary related to john?Solution:
→ My father’s wife→ mother
→ Only son of mother→ himself
→ Daughter of John→ daughter.
So answer is daughter.
Indirect SPBR: In this the conversation is done indirectly
Example 2
Pointing to a man in the photograph, a Woman says,” His mother’s only daughter is my mother”. How is man related to woman?Solution:
→ My mother→ Woman’s mother
→ His mother’s only daughter→ his sister
→ His sister→ woman’s mother.
Answer is Mother’s brother is Uncle.
Mixed Blood Relations
In this, mutual blood relations depending on more than two persons mentioned. These types of problems can be solved with the help of diagrams.Example 3
A and B are brothers and C and D are sisters. A’s son is D’s brother. How is B related to C?Solution:
→ A’s son is D’s brother
→A is C’s father. Father’s brother is uncle.
So answer is uncle.
Coded Blood Relations
In this type, relationships represented by codes and symbols like +, –, /, *. You have to analyze the required relation based on the given code. In this also you may need diagrammatic representation of problem to solve it. Use the same representation used in mixed blood relations. In the coding equation solve the code from last letter.Example 4
If P+Q means P is husband of Q,P/Q means P is the sister of Q,
P*Q means P is the son of Q. how is D related to B in B/A*C+D?
Solution:
→ C+D – C is husband of D
→ A*C – A is son of C
→ B/A – B is sister of A
→ So B is daughter of C
So, answer is Mother.
