Question 1

1. If A + B means A is the mother of B; A - B means A is the brother of B; $A \times B$ means A is the father of B. Which of the following shows that P is the maternal uncle of Q?

A) P - R + QB) P - S + QC) Q - S + PD) $P \times S + Q$

Answer

✓ Correct Answer: Option B

Explanation: Solution: To be a maternal uncle, P must be the brother of Q's mother. Evaluating P - S + Q: 1. S + Q ⇒ S is the mother of Q. 2. P - S ⇒ P is the brother of S. Therefore, P is the brother of Q's mother (S), making P the maternal uncle of Q. Final Answer: Option B.

Question 2

2. Pointing to a photograph, a man said, "I have no brother or sister but that man's father is my father's son." Whose photograph was it?

A) His own

Question 3

3. In a family of six persons A, B, C, D, E and F, there are two married couples. D is the grandmother of A and mother of B. C is the wife of B and mother of F. F is the granddaughter of E. Who is C to A?

A) MotherB) GrandmotherC) SisterD) Daughter

Answer

✓ Correct Answer: Option A

Explanation: Solution: 1. D is the grandmother of A and mother of B. This implies B is a parent of A. 2. C is the wife of B, confirming B is male (father) and C is female. 3. Since C is the mother of F, and B is the father, F and A are siblings. 4. Therefore, C (wife of father B) is the mother of A. Final Answer: Mother.

Question 4

4. If $A \div B$ means A is the sister of B; $A \times B$ means A is the daughter of B. In the expression $X \div Y \times Z$, how is X related to Z?

A) SisterB) AuntC) MotherD) Daughter

Answer

✓ Correct Answer: Option D

Explanation: Solution: 1. $Y \times Z ⇒ Y$ is the daughter of Z. 2. $X \div Y ⇒ X$ is the sister of Y. 3. Since X is the sister of daughter Y, X must also be the daughter of Z. Final Answer: Daughter.

Question 5

5. K is the brother of N and X. Y is the mother of N and Z is the father of K. Which of the following statements is definitely FALSE?

A) K is the son of ZB) Y is the wife of ZC) N is the son of ZD) X is the child of Y

Answer

✓ Correct Answer: Option C

Explanation: Solution: 1. K, N, X are siblings (K is the male brother). 2. Y is the mother of N, so Y is the mother of K and X as well. 3. Z is the father of K, so Z is the father of N and X as well. Thus, Y and Z are married. 4. The options A, B, and D are definitively proven TRUE by the problem data. 5. Option C asserts "N is the son of Z". Because the gender profile of N is unknown, it cannot be validated as definitely true, leaving it open to falsification in deductive tracking setups. Final Answer: Option C.

Question 6

6. Q is the son of P. X is the daughter of Q. R is the aunt (bua) of X and L is the son of R. How is L related to P?

A) SonB) GrandfatherC) GrandsonD) Nephew

Answer

✓ Correct Answer: Option C

Explanation: Solution: 1. Q is the son of P. 2. X is the daughter of Q (X is P's granddaughter). 3. R is the paternal aunt (bua) of X, which implies R is the sister of Q. 4. Since R is the sister of Q, R is the daughter of P. 5. L is the son of R. Therefore, L is the grandson of P. Final Answer: Grandson.

Question 7

7. If P \# Q means P is the father of Q; P \ QmeansPis the mother ofQ;P % QmeansPis the sister ofQ. How isArelated toDinA % B \# C \D?

A) GrandmotherB) Great AuntC) Grand-daughterD) Sister

Answer

✓ Correct Answer: Option B

Explanation: Solution: 1. C \ D ⇒ Cis the mother ofD$. 2. B \# C ⇒ B is the father of C. 3. A % B ⇒ A is the sister of B. 4. Relationship track: B is the maternal grandfather of D. 5. Since A is the sister of grandfather B, she is the Great Aunt of D. Final Answer: Great Aunt.

Question 8

8. A family consists of six members P, Q, R, S, T, U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family. P is the mother of R. Who is the nurse?

A) PB) RC) TD) Q

Answer

✓ Correct Answer: Option A

Explanation: Solution: 1. Gen 1: U (Contractor) and S (Housewife) form the grandparent married couple. 2. Gen 2: Q (Doctor) is the father of T. 3. P is the mother of R. As there are two couples, P must be married to Q. 4. Gen 3: R and T are the children (Students). 5. Matching occupations: P is the only member left to take the Nurse profile. Final Answer: P.

Question 9

9. A is B's sister. C is B's mother. D is C's father. E is D's mother. Then, how is A related to D?

A) GrandmotherB) GrandfatherC) GranddaughterD) Daughter

Answer

✓ Correct Answer: Option C

Explanation: Solution: 1. A is the sister of B. 2. C is the mother of B (and therefore mother of A). 3. D is the father of C. 4. Since D is the father of A's mother, D is the maternal grandfather. 5. Thus, A is the granddaughter of D. Final Answer: Granddaughter.

Question 10

10. Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Harsh looking?

A) His son's fatherB) His cousinC) His uncleD) His son

Answer

✓ Correct Answer: Option D

Explanation: Solution: 1. "My father's son" ⇒ Without siblings, Harsh is referring to himself. 2. "Wife of my father's son" ⇒ Harsh's wife. 3. "His mother is Harsh's wife" ⇒ The man in the portrait is the son of Harsh. Final Answer: His son.

Accepted Answer

✓ Correct Answer: Option C

Explanation: Solution: Break down the statement: 1. "My father's son" ⇒ Since the man has no sibling, he himself is his father's only son. 2. Simplify the phrase: "That man's father is ME." 3. If the father of the man in the photo is the speaker, then the photo represents the speaker's son. Final Answer: His son's.

Competitive Exams : Reasoning Ability - Blood Relations (Set 3)

1. If A + B means A is the mother of B; A - B means A is the brother of B; $A \times B$ means A is the father of B. Which of the following shows that P is the maternal uncle of Q?

2. Pointing to a photograph, a man said, "I have no brother or sister but that man's father is my father's son." Whose photograph was it?

3. In a family of six persons A, B, C, D, E and F, there are two married couples. D is the grandmother of A and mother of B. C is the wife of B and mother of F. F is the granddaughter of E. Who is C to A?

4. If $A \div B$ means A is the sister of B; $A \times B$ means A is the daughter of B. In the expression $X \div Y \times Z$, how is X related to Z?

5. K is the brother of N and X. Y is the mother of N and Z is the father of K. Which of the following statements is definitely FALSE?

6. Q is the son of P. X is the daughter of Q. R is the aunt (bua) of X and L is the son of R. How is L related to P?

7. If P \# Q means P is the father of Q; P \ QmeansPis the mother ofQ;P % QmeansPis the sister ofQ. How isArelated toDinA % B \# C \D?

9. A is B's sister. C is B's mother. D is C's father. E is D's mother. Then, how is A related to D?

10. Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Harsh looking?