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Blood Relation Questions 31–40

With Interactive Family Tree Diagrams & Hide/Show Answers

Question 31

If A + B means A is the father of B
If A × B means A is the sister of B
If A $ B means A is the wife of B
If A % B means A is the mother of B
If A ÷ B means A is the son of B

graph TD D[D] --- M[M] D --- L[L] L --- R[R] R --- T[T] style D fill:#3498db,stroke:#2980b9,color:white style M fill:#e74c3c,stroke:#c0392b,color:white style L fill:#e74c3c,stroke:#c0392b,color:white style R fill:#3498db,stroke:#2980b9,color:white style T fill:#3498db,stroke:#2980b9,color:white

31.Which among the given expressions indicates that M is the daughter of D?

A. L % R $ D + T × M

B. L + R $ D + M × T

C. L % R % D + T ÷ M

D. D + L $ R + M × T

E. L $ D ÷ R % M ÷ T

C. L % R % D + T ÷ M

Question 32

Same symbols as above.

graph TD X[X] --- Y[Y] X --- W[W] W --- L[L] L --- T[T] style X fill:#3498db,stroke:#2980b9,color:white style Y fill:#3498db,stroke:#2980b9,color:white style W fill:#e74c3c,stroke:#c0392b,color:white style L fill:#3498db,stroke:#2980b9,color:white style T fill:#3498db,stroke:#2980b9,color:white

32.Which among the following expression is true if Y is the son of X is definitely false?

A. W % L × T × Y ÷ X

B. W + L × T × Y ÷ X

C. X + L × T × Y ÷ W

D. W $ X + L + Y + T

E. W % X + T × Y ÷ L

D. W $ X + L + Y + T

Question 33

Same symbols as above.

graph TD R[R] --- T[T] T --- P[P] P --- Q[Q] Q --- V[V] style R fill:#e74c3c,stroke:#c0392b,color:white style T fill:#e74c3c,stroke:#c0392b,color:white style P fill:#3498db,stroke:#2980b9,color:white style Q fill:#3498db,stroke:#2980b9,color:white style V fill:#3498db,stroke:#2980b9,color:white

33.What should come in place of question mark (?), to establish that T is the sister-in-law of Q in the expression?
R % T × P ? Q + V

A. ÷

B. %

C. ×

D. $

E. Either $ or ×

D. $

Question 34

There are two couples – Mr. and Mrs. Iyer and Mr. and Mrs. Khanna. The Iyer’s have only one child – Vineet. The Khanna’s have only one child, a daughter – Kavita. Further, it is known that exactly one of the following cases is true:
I. Mr. Iyer is Mrs. Khanna’s brother.
II. Mr. Khanna is Mrs. Iyer’s brother.
III. Mrs. Iyer is Mrs. Khanna’s sister.

graph TD subgraph Iyer MrI[Mr. Iyer] --- MrsI[Mrs. Iyer] MrI --- Vineet[Vineet] end subgraph Khanna MrK[Mr. Khanna] --- MrsK[Mrs. Khanna] MrK --- Kavita[Kavita] end style MrI fill:#3498db,stroke:#2980b9,color:white style MrsI fill:#e74c3c,stroke:#c0392b,color:white style Vineet fill:#3498db,stroke:#2980b9,color:white style MrK fill:#3498db,stroke:#2980b9,color:white style MrsK fill:#e74c3c,stroke:#c0392b,color:white style Kavita fill:#e74c3c,stroke:#c0392b,color:white

34.If Mrs. Khanna is Vineet’s aunt, which of the following cases could be the correct one?

A. Only I

B. Only II

C. Only III

D. Either I or II

E. Either I or III

A. Only I

Question 35

Same family as Q34.

graph TD ParentI[Parent] --- MrI[Mr. Iyer] ParentI --- MrsK[Mrs. Khanna] MrI --- MrsI[Mrs. Iyer] MrsK --- MrK[Mr. Khanna] MrI --- Vineet[Vineet] MrK --- Kavita[Kavita] style ParentI fill:#7f8c8d,stroke:#555,color:white style MrI fill:#3498db,stroke:#2980b9,color:white style MrsI fill:#e74c3c,stroke:#c0392b,color:white style MrsK fill:#e74c3c,stroke:#c0392b,color:white style MrK fill:#3498db,stroke:#2980b9,color:white style Vineet fill:#3498db,stroke:#2980b9,color:white style Kavita fill:#e74c3c,stroke:#c0392b,color:white

35.Which of the following statements is definitely true about the common grandfather of Vineet and Kavita, if one disregards case II?

A. He is the father of Mr. Iyer.

B. He is the father-in-law of Mr. Khanna.

C. He is the father-in-law of Mr. Iyer.

D. He is the father of Mr. Khanna.

E. None of these

C. He is the father-in-law of Mr. Iyer.

Question 36

Cheenu has a family of eight members. Bablu is the eldest male member of the family. Haryali is the daughter-in-law of Neelu and sister-in-law of Sonu and Anku. Apart from Cheenu and Bablu, only Sonu is a male member of the family. Anku is the aunt of Cheenu’s two daughters Saba and Daya.

graph TD Bablu[Bablu] --- Neelu[Neelu] Bablu --- Sonu[Sonu] Bablu --- Anku[Anku] Sonu --- Haryali[Haryali] Haryali --- Cheenu[Cheenu] Cheenu --- Saba[Saba] Cheenu --- Daya[Daya] style Bablu fill:#3498db,stroke:#2980b9,color:white style Neelu fill:#e74c3c,stroke:#c0392b,color:white style Sonu fill:#3498db,stroke:#2980b9,color:white style Anku fill:#e74c3c,stroke:#c0392b,color:white style Haryali fill:#e74c3c,stroke:#c0392b,color:white style Cheenu fill:#3498db,stroke:#2980b9,color:white style Saba fill:#e74c3c,stroke:#c0392b,color:white style Daya fill:#e74c3c,stroke:#c0392b,color:white

36.How is Daya related to Sonu?

A. Grandmother

B. Niece

C. Mother

D. Aunt

E. None of these

B. Niece

Question 37

Same family as Q36.

graph TD Haryali[Haryali] --- Saba[Saba] style Haryali fill:#e74c3c,stroke:#c0392b,color:white style Saba fill:#e74c3c,stroke:#c0392b,color:white

37.Find the relation between Haryali and Saba?

A. Mother – daughter

B. Father – son

C. Sisters

D. Granddaughter – grandmother

E. None of these

A. Mother – daughter

Question 38

Same family as Q36.

graph TD Haryali[Haryali] --- Cheenu[Cheenu] style Haryali fill:#e74c3c,stroke:#c0392b,color:white style Cheenu fill:#3498db,stroke:#2980b9,color:white

38.Who is the husband of Haryali?

A. Bablu

B. Sonu

C. Cheenu

D. Can’t be determined

E. None of these

C. Cheenu

Question 39

Q is father of A and B. X is mother of K, N is son of A. N is the only brother of K. X is daughter-in-law of P. P has only one daughter and one son.

graph TD P[P] --- Q[Q] P --- D[Daughter] Q --- A[A] Q --- B[B] A --- X[X] X --- N[N] X --- K[K] style P fill:#7f8c8d,stroke:#555,color:white style Q fill:#3498db,stroke:#2980b9,color:white style D fill:#e74c3c,stroke:#c0392b,color:white style A fill:#3498db,stroke:#2980b9,color:white style B fill:#3498db,stroke:#2980b9,color:white style X fill:#e74c3c,stroke:#c0392b,color:white style N fill:#3498db,stroke:#2980b9,color:white style K fill:#e74c3c,stroke:#c0392b,color:white

39.Which of the following needs to be true to establish that K is daughter of X?

A. B is unmarried

B. X has only one son

C. N is grandson of Q

D. No extra information is required

E. None of these

D. No extra information is required

Question 40

Same family as Q39.

graph TD Q[Q] --- K[K] style Q fill:#3498db,stroke:#2980b9,color:white style K fill:#e74c3c,stroke:#c0392b,color:white

40.How is K related to Q?

A. Daughter

B. Grandson

C. Granddaughter

D. Either B or C

E. None of these

C. Granddaughter

© 2025 Blood Relation Practice | Questions 31–40 with Diagrams