1. Deepak said to Nitin, "That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak?
a) Son
b) Brother
c) Cousin
d) Brother-in-law
Explanation: Father's wife → mother. Hence, the daughter of the mother means sister and sister's younger brother means brother. Therefore, the boy is the brother of Deepak.
2. Pointing a photograph X said to his friend Y, "She is the only daughter of the father of my mother." How X is related to the person of photograph?
a) Daughter
b) Son
c) Nephew
d) Cannot be decided
Explanation: 'The only daughter of the father of X's mother' means mother of X.
Hence X is the son of the lady in the photograph.
Note: Still have doubt like "How X is a male?"
3. Veena who is the sister-in-law of Ashok, is the daughter-in-law of Kalyani. Dheeraj is the father of Sudeep who is the only brother of Ashok. How Kalyani is related to Ashok?
a) Mother-in-law
b) Aunt
c) Wife
d) None of these
Explanation: Ashok is the only brother of Sudeep and Veena is the sister-in-law of Ashok. Hence Veena is the wife of Sudeep. Kalyani is the mother-in-law of Veena. Kalyani is the mother of Ashok.
4. If A + B means A is the sister of B; A x B means A is the wife of B, A % B means A is the father of B and A - B means A is the brother of B. Which of the following means T is the daughter of P?
a) P x Q % R + S - T
b) P x Q % R - T + S
c) P x Q % R + T - S
d) P x Q % R + S + T
Explanation: P x Q → P is the wife of Q
Q % R → Q is the father of R
R - T → R is the brother of T
T + S → T is the sister of S.
Therefore, T is the daughter of P.
5. Pointing to a woman, Abhijit said, "Her granddaughter is the only daughter of my brother." How is the woman related to Abhijit?
a) Sister
b) Grandmother
c) Mother-in-law
d) Mother
Explanation: Daughter of Abhijit's brother → niece of Abhijit. Thus the granddaughter of the woman is Abhijit's niece.
Hence, the woman is the mother of Abhijit.
6. If A + B means A is the brother of B; A % B means A is the father of B and A x B means A is the sister of B. Which of the following means M is the uncle of P?
a) M % N x P
b) N x P % M
c) M + S % R % P
d) M + K % T x P
Explanation: M + K → M is the brother of K
K % T → K is the father of T
T x P → T is the sister of P
Therefore, K is the father of P and M is the uncle of P.
7. Pointing to Varman, Madhav said, "I am the only son of one of the sons of his father." How is Varman related to Madhav?
a) Nephew
b) Uncle
c) Father or Uncle
d) Father
Explanation: Madhav is the only son of one of the sons of Varman's father → Either Varman is the father or uncle of Madhav.
8. Introducing a woman, Shashank said, "She is the mother of the only daughter of my son." How that woman is related to Shashank?
a) Daughter
b) Sister-in-law
c) Wife
d) Daughter-in-law
Explanation: The woman is the mother of Shashank's granddaughter. Hence, the woman is the daughter-in-law of Shashank.
9. If A + B means B is the brother of A; A x B means B is the husband of A; A - B means A is the mother of B and A % B means A is the father of B, which of the following relations shows that Q is the grandmother of T?
a) Q - P + R % T
b) P x Q % R - T
c) P x Q % R + T
d) P + Q % R - T
Explanation: Q - P → Q is the mother of P
P + R → R is the brother of P
Hence, → q is the mother of R
R % T → R is the father of T.
Hence, Q is the grandmother of T.
10. 1. A3P means A is the mother of P
2. A4P means A is the brother of P
3. A9P means A is the husband of P
4. A5P means A is the daughter of P
Which of the following means that K is the mother-in-law of M?
a) M9N3K4J
b) M9N5K3J
c) K5J9M3N
d) K3J9N4M
Explanation: M9N → M is the husband of N
N5K → N is the daughter of K
Hence, → M is the son-in-law of K
K3J → K is the mother of J
Hence, → K is a lady
Hence, → K is the mother-in-law of M.