Blood Relations Questions for UP POLICE CONSTABLE

Core Relationship Vocabulary

Every blood relation question uses a fixed set of family terms. You must instantly recognize what each term means in both forward and reverse directions. For example, 'A is the father of B' means B is the son/daughter of A. The trick is that questions often use indirect language — 'A's only brother's daughter' — and you must unpack it step by step. Think of it like a chain: start from the named person, follow the relationship arrows, and land on the target.

• Father/Mother = parent; reverse = son/daughter
• Brother/Sister = sibling; reverse = brother/sister
• Husband/Wife = spouse; reverse = spouse
• Grandfather/Grandmother = parent's parent; reverse = grandchild
• Uncle = father's brother OR mother's brother; reverse = nephew/niece
• Cousin = parent's sibling's child; reverse = cousin

The Decoding Method: Step-by-Step Chain

UP Police questions rarely ask 'Who is X's father?' Instead, they ask 'A is the mother of B. B is the sister of C. C is the father of D. How is A related to D?' You must decode by following the chain. Start from the first person mentioned, apply each relationship in order, and track the generation level. A key insight: count generations. If A is 2 generations above D, A is D's grandmother. If they're in the same generation, they're siblings or cousins.

• Always start from the first named person and trace forward
• Mark each person's generation: G1 (grandparents), G2 (parents), G3 (self), G4 (children)
• After decoding, ask: same generation or different? Male or female?
• Watch for 'only' — 'only brother' means exactly one brother, not multiple
• Reverse relationships: if A is B's uncle, then B is A's nephew/niece
• Gender matters: uncle vs aunt, nephew vs niece, cousin (gender-neutral)

Common Relationship Patterns in UP Police Papers

Examiners love certain patterns. They test your ability to handle multi-step chains, gender ambiguity, and reverse logic. The most frequent patterns are: (1) 'A's brother's wife' (sister-in-law), (2) 'A's father's father' (grandfather), (3) 'A's mother's brother' (uncle/maternal uncle), and (4) complex chains with 3-4 steps. A second pattern is the 'reverse puzzle': given a relationship, identify who that person is. These require you to think backward.

• Sister-in-law = brother's wife OR husband's sister
• Brother-in-law = sister's husband OR wife's brother
• Daughter-in-law = son's wife
• Son-in-law = daughter's husband
• Maternal uncle = mother's brother; Paternal uncle = father's brother
• Cousin = any child of parent's sibling (male or female)

Solving Coded/Puzzle-Based Questions

Some UP Police papers include 'coded' blood relation questions where symbols or directions represent relationships. For example, 'A + B' means A is the father of B, 'A - B' means A is the mother of B, 'A x B' means A is the brother of B. You decode the entire family tree, then answer who is related to whom. The key is to draw a quick family tree diagram on paper — don't try to solve it in your head.

• Always draw a family tree for coded questions — saves time and errors
• Use standard symbols: + for father, - for mother, x for sibling, = for spouse
• Identify generations clearly: place grandparents at top, parents in middle, children at bottom
• After drawing, trace the path between two people to find their relationship
• If asked 'How many males/females?', count from your tree

Gender Ambiguity & Trick Questions

UP Police examiners love to trick you with gender-neutral language. For example, 'A's child is B' doesn't tell you if B is male or female. Similarly, 'A's sibling' could be brother or sister. When the question doesn't specify gender, the answer should also be gender-neutral (e.g., 'sibling' instead of 'brother'). However, some questions deliberately hide gender to test if you assume. Always re-read: if the question says 'A is a male' or 'B is a female', use that info. If not stated, don't assume.

• Gender-neutral terms: sibling (brother or sister), parent (mother or father), child (son or daughter), cousin (male or female)
• If gender is not stated in the question, don't assume in the answer
• Watch for 'he' or 'she' pronouns — they reveal gender
• Some questions ask 'How is A related to B?' — answer must match the gender given
• Trick: 'A's only son's sister' — the sister is female, but she's A's daughter

• Confusing direction: 'A is the father of B' does NOT mean B is the father of A. Always read carefully.
• Forgetting generations: If A is B's grandfather and B is C's father, then A is C's grandfather, NOT father. Count generations.
• Assuming gender: The question says 'A's child is B. How is A related to C?' If C is male, don't assume B is male. Decode step by step.
• Misinterpreting 'only': 'A's only brother' means A has exactly one brother. If the question then says 'A's brother's son', that son is A's nephew — but if A has no brother, the statement is invalid.
• Reversing relationships incorrectly: 'A is the uncle of B' means B is the nephew/niece of A, NOT that B is the uncle of A. Reverse logic trips up many.

• FAMILY CHAIN METHOD: Start → Apply Each Relation → Count Generations → Identify Gender → Answer. Mnemonic: SARCG.
• GENERATION RULE: Same generation = sibling/cousin. One generation up = parent/uncle/aunt. Two generations up = grandparent. One generation down = child/nephew/niece.
• GENDER PAIRS: Father↔Son/Daughter, Mother↔Son/Daughter, Brother↔Sister, Uncle↔Nephew/Niece, Grandfather↔Grandchild. Learn pairs, not singles.
• DRAW IT: If confused, draw a quick family tree. Visual memory beats mental math in blood relations.

• UP Police typically asks 2-3 blood relation questions per paper, mostly in the 'Reasoning' section. They're usually worth 2-3 marks each.
• Time allocation: Spend max 2-3 minutes per question. If you can't decode in that time, move on and return later.
• Recent papers show a mix of direct chains (3-4 steps) and coded puzzles. Practice both formats.
• Difficulty is usually easy to moderate — not as hard as SSC or Bank exams. Focus on accuracy, not speed.
• Always re-read the question once you've decoded to ensure your answer matches the gender and relationship type asked. This catches 80% of careless errors.
• In exam, if you see a complex 5+ step chain, draw the tree immediately. Don't try mental shortcuts — they fail under pressure.