Free Blood Relations MCQs with Answers

63 Blood Relations MCQs from Analytical and Logical Reasoning, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Blood relation problems describe family connections through words, symbols, statements or family diagrams. They test relationships such as parent, child, sibling, grandparent, uncle, cousin and spouse, while requiring careful attention to gender, generation level and the difference between a direct relation and an indirect connection.

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63 questions · page 1 of 4

Moderate
  • A. Father
  • B. Brother
  • C. Uncle
  • D. Cousin

Explanation: A and B are siblings, and B and C are siblings, so A and C are also siblings. Since C is D’s father, A is D’s paternal uncle.

Correct answer: Uncle
Hard
  • A. His mother
  • B. His sister
  • C. His aunt
  • D. His niece

Explanation: The grandfather's only son must be the speaker's own father, so the woman is his father's daughter, which makes her his sister.

Correct answer: His sister
  • A. His father
  • B. His brother or himself
  • C. His uncle
  • D. His cousin

Explanation: The grandfather's only son must be the speaker's own father, so the person in the photograph is his father's son, which is either the…

Correct answer: His brother or himself
Hard
  • A. Sister
  • B. Wife
  • C. Daughter
  • D. Mother

Explanation: B and C are siblings, so they share the same parents, and since A is the mother and D the father of that pair, A is D's wife.

Correct answer: Wife
  • A. Son
  • B. Brother
  • C. Father
  • D. Nephew

Explanation: Q being R's daughter makes R a parent, and P as Q's brother shares those parents, so P is R's son.

Correct answer: Son
  • A. His sister
  • B. His aunt
  • C. His mother
  • D. His cousin

Explanation: The grandmother's only child must be Ali's own parent, so the woman is that parent's daughter, making her Ali's sister.

Correct answer: His sister
Moderate
  • A. Father
  • B. Uncle
  • C. Brother
  • D. Grandfather

Explanation: A and C are B's children, and D is B's brother, so D is the paternal or maternal uncle of A depending on B's gender.

Correct answer: Uncle
Fairly easy
  • A. Daughter
  • B. Nephew
  • C. Niece
  • D. Cannot be determined

Explanation: If X is Y's father then Y is X's child, and since Y is not a son, Y must be a daughter.

Correct answer: Daughter
  • A. Brother
  • B. Husband
  • C. Father in law
  • D. Uncle

Explanation: The only daughter of her father is the woman herself, so the man whose wife she is must be her husband.

Correct answer: Husband
  • A. Sister
  • B. Mother
  • C. Aunt
  • D. Cousin

Explanation: N and P are both children of O, and M as N's sister shares those parents, so M and P are siblings and M is P's sister.

Correct answer: Sister
  • A. Her son
  • B. Her brother
  • C. Her nephew
  • D. Her cousin

Explanation: The only daughter of her mother is the speaker herself, so the boy's mother is the speaker and the boy is her son.

Correct answer: Her son
Moderate
  • A. Mother
  • B. Mother in law
  • C. Sister in law
  • D. Aunt

Explanation: R is Q's son, and S has married him, so Q is S's mother in law. Relationships created by marriage always carry the in law suffix.

Correct answer: Mother in law
  • A. Grandson
  • B. Great grandson
  • C. Son
  • D. Nephew

Explanation: C is A's mother and D is C's father, so D is A's maternal grandfather and A is D's grandson.

Correct answer: Grandson
  • A. siblings
  • B. cousins
  • C. unrelated
  • D. uncle and niece

Explanation: The bride's father and the groom's mother are siblings, which makes their children first cousins.

Correct answer: cousins
  • A. P is the father of Q and Q is the wife of R
  • B. P is the wife of R
  • C. R is the father of Q
  • D. P and R are siblings

Explanation: The symbols are applied in order from left to right, so P plus Q gives the first relationship and Q minus R the second.

Correct answer: P is the father of Q and Q is the wife of R
  • A. brother in law
  • B. father in law
  • C. son in law
  • D. cousin

Explanation: A sibling's spouse is a brother in law or sister in law, and here the spouse is male.

Correct answer: brother in law
  • A. Her son
  • B. Her brother
  • C. Her nephew
  • D. Her grandson

Explanation: The woman's son is the boy's father, so the woman is one generation above the father and two above the boy, making her his grandmother and…

Correct answer: Her grandson
Hard
  • A. Father
  • B. Grandfather
  • C. Uncle
  • D. Brother

Explanation: Z sits one generation below W and one above Y, so W is Y's grandfather.

Correct answer: Grandfather
Moderate
  • A. sister
  • B. cousin
  • C. niece
  • D. aunt

Explanation: The father's brother is the speaker's uncle, and an uncle's daughter is a cousin.

Correct answer: cousin
Moderate
  • A. Father
  • B. Grandfather
  • C. Uncle
  • D. Brother

Explanation: C is D's child, and E is C's son, so D is E's grandfather. The relationship runs down two generations from D to E.

Correct answer: Grandfather

Blood Relations MCQs: common questions

Are these Blood Relations MCQs free?

Yes. All Blood Relations MCQs from Analytical and Logical Reasoning are free on TestUstad, with unlimited attempts and no account needed. Nothing on this page is a sample or a trial.

How many Blood Relations MCQs are on this page?

There are 63 Blood Relations MCQs in the Analytical and Logical Reasoning bank, shown 20 to a page with the correct answer and an explanation on each.

Does every Blood Relations MCQ have an explanation?

Yes. Each Blood Relations question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.

Can I take a timed Blood Relations test?

Yes. The practice button on this page starts a free Blood Relations test drawn from the Analytical and Logical Reasoning bank. It marks each answer instantly, gives you a score at the end, and can be retaken as many times as you like.