Directions for : Radha has one unmarried daughter and two sons. Mona is daughter in law of Bharat. Suraj is brother of Kamal but Mona is not his wife. Usha's daughter Madhu is Kamal's niece. Ashok's son Arun is Madhu's cousin.
Who among the following pairs are mother and son.
Usha and Kamal
Radha and Suraj
(Correct Answer)Madhu and Ashoka
Mona and Suraj
Radha and Suraj
To map out a clear family tree, we can categorize relationships by generation levels and use standard structural mapping rules:
(+) represents a Male member.
(−) represents a Female member.
(↔) represents a married couple (husband and wife).
(—) represents siblings (brothers/sisters).
Clue 1: "Radha has one unmarried daughter and two sons."
Radha has 3 children total: Daughter(−) [unmarried], Son1(+), and Son2(+).
Clue 2: "Suraj is brother of Kamal but Mona is not his wife."
This defines our sibling link:
Suraj(+) — Kamal(+)
Since Radha has exactly two sons, Suraj and Kamal must be the two sons of Radha.
Mona is married to one of the sons, but since she is not Suraj's wife, she must be married to Kamal:
Kamal(+)↔Mona(−)
Clue 3: "Mona is daughter in law of Bharat."
Since Mona is married to Kamal, Kamal's parents are Radha and Bharat.
Bharat(+)↔Radha(−)
Clue 4: "Usha's daughter Madhu is Kamal's niece."
A niece is a brother's or sister's daughter.
Since Radha has one unmarried daughter, that daughter must be Usha. This means Usha is the sister of Suraj and Kamal:
Suraj(+) — Kamal(+) — Usha(−)
Usha's daughter is Madhu(−).
Let us summarize the children of Radha (Mother) and Bharat (Father):
Suraj (Son, unmarried/not married to Mona)
Kamal (Son, married to Mona)
Usha (Unmarried daughter, mother of Madhu)
Let's check the given pairs against our verified family tree:
(a) Usha and Kamal: They are sister and brother (siblings).
(b) Radha and Suraj: Radha is the mother and Suraj is her son. (This matches perfectly)
(c) Madhu and Ashoka: Madhu is a female child (niece generation).
(d) Mona and Suraj: Mona is Suraj's sister-in-law (brother's wife).
The pair that represents a mother and son relationship is Radha and Suraj.
Therefore, the correct option is (b).
To map out a clear family tree, we can categorize relationships by generation levels and use standard structural mapping rules:
(+) represents a Male member.
(−) represents a Female member.
(↔) represents a married couple (husband and wife).
(—) represents siblings (brothers/sisters).
Clue 1: "Radha has one unmarried daughter and two sons."
Radha has 3 children total: Daughter(−) [unmarried], Son1(+), and Son2(+).
Clue 2: "Suraj is brother of Kamal but Mona is not his wife."
This defines our sibling link:
Suraj(+) — Kamal(+)
Since Radha has exactly two sons, Suraj and Kamal must be the two sons of Radha.
Mona is married to one of the sons, but since she is not Suraj's wife, she must be married to Kamal:
Kamal(+)↔Mona(−)
Clue 3: "Mona is daughter in law of Bharat."
Since Mona is married to Kamal, Kamal's parents are Radha and Bharat.
Bharat(+)↔Radha(−)
Clue 4: "Usha's daughter Madhu is Kamal's niece."
A niece is a brother's or sister's daughter.
Since Radha has one unmarried daughter, that daughter must be Usha. This means Usha is the sister of Suraj and Kamal:
Suraj(+) — Kamal(+) — Usha(−)
Usha's daughter is Madhu(−).
Let us summarize the children of Radha (Mother) and Bharat (Father):
Suraj (Son, unmarried/not married to Mona)
Kamal (Son, married to Mona)
Usha (Unmarried daughter, mother of Madhu)
Let's check the given pairs against our verified family tree:
(a) Usha and Kamal: They are sister and brother (siblings).
(b) Radha and Suraj: Radha is the mother and Suraj is her son. (This matches perfectly)
(c) Madhu and Ashoka: Madhu is a female child (niece generation).
(d) Mona and Suraj: Mona is Suraj's sister-in-law (brother's wife).
The pair that represents a mother and son relationship is Radha and Suraj.
Therefore, the correct option is (b).
