Blood Relation for SSC CGL | Concepts & Practice

Learn the shortcut

Understand the fastest pattern for this topic before you attempt full MCQs.

Avoid common traps

See where students commonly lose marks so you can eliminate bad options earlier.

Solve faster in exam

Apply one practical method before attempting MCQs and cut down hesitation.

Summary Formula Tricks Mistakes Solved Example Practice FAQ

Blood Relation revision for SSC CGL: understand the relation, apply the correct logical method, avoid assumptions and practise under time.

Blood Relation questions convert family statements into a relationship map. The safest method is to fix generations and gender before naming the final relation.

SSC CGL focus: Identify the relation or positional rule first, then solve with the shortest valid reasoning path and verify the final option.

Blood Relation revision: rule → diagram/relation → option check → timed practice → error review.

Core relation
Fast method
Common trap
Approved practice

Parent/child changes generation by ±1
Sibling remains in the same generation
Spouse remains in the same generation

Draw only the people needed for the asked relation. Use simple symbols for male, female and marriage to avoid sentence confusion.

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Translate the wording into a small diagram, relation or rule.
Use only information stated or logically forced by the question.
Eliminate options only after the core relation is clear.

Adding assumptions that are not given.
Reversing left/right, rank direction or relationship direction.
Choosing a familiar-looking option before testing the rule.

Practice example: Pointing to a boy, Rina said, 'He is the son of my mother's only son.' How is the boy related to Rina?

Solution: The boy is Rina's nephew.

Pointing to a woman, Ravi said, “She is the only daughter of my mother.” How is the woman related to Ravi?
P is the mother of Q. Q is the sister of R. R is the father of S. How is P related to S?
Pointing to a woman, Ravi said, 'She is the daughter of my father's only son.' How is the woman related to Ravi?

Learn the shortcut first

Shortcut before you solve

Blood relation questions become easier when you track the chain one step at a time.

Faster solving steps

Use this 4-step method before solving to keep your thinking fast and repeatable.

Step 1 Identify relation

Spot the pattern, relationship, or core idea first.

Step 2 Apply same pattern

Use the same rule instead of re-solving from scratch.

Step 3 Eliminate wrong options

Remove confusing choices before comparing the last few.

Step 4 Confirm final answer

Pick the option that matches the shortcut most cleanly.

Practice Questions

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Now apply the trick on real questions

Use the shortcut above before solving these questions

Move relation by relation and draw a tiny family chain if more than two people are involved.

Tip: Break long statements into small links like father of, sister of, or son of before deciding the final relation.

Step 1

A is B's brother.

Step 2

B is C's mother, so A is C's maternal uncle.

Rule

Resolve the nearest relation first, then connect it to the next person in the chain.

3-second trick

Find the gendered relation in the middle person before finalizing the answer.

Trap to avoid

Do not skip gender clues when converting brother/sister or uncle/aunt relations.

Correct answer

Maternal uncle

Thinking path

Brother of a mother is maternal uncle.
The chain must be solved one relation at a time.
Gender words decide the final relation.

Final answer: Maternal uncle

Why this is fast: A small relation chain prevents confusion in longer statements.

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Q1 Easy

P is the father of Q. R is the wife of P. S is the brother of R. How is S related to Q?