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CAT Data Interpretation & Logical Reasoning Blood Relation Test 1

4390.Deepak said to Nitin, “That boy playing with the football is the younger of the two brothers of the daughter of my fathers wife.” How is the boy playing football related to Deepak?
Son
Brother
Cousin
Brother-in-law
Explanation:
Fathers wife → mother. Hence, the daughter of the mother means sister and sisters younger brother means brother. Therefore, the boy is the brother of Deepak.
4391.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?
Daughter
Son
Nephew
Cannot be decided
Explanation:
The only daughter of the father of Xs mother means mother of X.Hence X is the son of the lady in the photograph.Note: Here X said to his –> from the word his we can find X is Male.
4392.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?
Mother-in-law
Aunt
Wife
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.
4393.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?
P x Q % R + S – T
P x Q % R – T + S
P x Q % R + T – S
P x Q % R + S + T
Explanation:
P x Q → P is the wife of QQ % R → Q is the father of RR – T → R is the brother of TT + S → T is the sister of S.Therefore, T is the daughter of P.
4394.Pointing to a woman, Abhijit said, “Her granddaughter is the only daughter of my brother.” How is the woman related to Abhijit?
Sister
Grandmother
Mother-in-law
Mother
Explanation:
Daughter of Abhijits brother → niece of Abhijit. Thus the granddaughter of the woman is Abhijits niece.Hence, the woman is the mother of Abhijit.
4395.Amit said – “This girl is the wife of the grandson of my mother”. How is Amit related to the girl?
Brother
Grandfather
Husband
Father-in-law
Explanation:
The girl is the wife of grandson of Amits mother i.e., the girl is the wife of son of Amit. Hence, Amit is the father-in-law of the girl.
4396.A and B are children of d. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary?
C is the brother of A and the son of E.
F is the mother b.
Only (1)
Only (2)
Either (1) or (2)
(1) and (2) both
Explanation:
A and B are children of d.From (1), C is the brother B and son of E.Since, the sex of D and E are not known. Hence (1) is not sufficient to answer the question.From (2). F is the mother of b. Hence, F is also the mother of a. Hence D is the father of a.Thus, (2) is sufficient to answer the question.
4397.Pointing towards a man, a woman said, “His mother is the only daughter of my mother.” How is the woman related to the man?
Mother
Grandmother
Sister
Daughter
Explanation:
Only daughter of my mother → myself.Hence, the woman is the mother of the man.
4398.If P $ Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q in A # B$ C * D, who is the father?
D
B
C
Data is inadequate
4399.Introducing Sonia, Aamir says, “She is the wife of only nephew of only brother of my mother.” How Sonia is related to Aamir?
Wife
Sister
Sister-in-law
Data is inadequate
Explanation:
Brother of mother means maternal uncle. Hence only nephew of Aamirs maternal uncle means Aamir himself. Therefore Sonia is the wife of Aamir.
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