(D) $1$. $E$ is the unmarried engineer.$2$. $C$ (lawyer) is the daughter-in-law of $A$. Since $A$ is the grandmother of $F$ and $F$ is the son of $B$,

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(D) $1$. $E$ is the unmarried engineer.$2$. $C$ (lawyer) is the daughter-in-law of $A$. Since $A$ is the grandmother of $F$ and $F$ is the son of $B$,$B$ and $C$ must be a married couple.$3$. The doctor is married to the lawyer $(C)$. Since $C$ is the lawyer,$B$ must be the doctor.$4$. $D$ (salesman) is married to the lady teacher. Since $A$ is the grandmother of $F$ and the only remaining female is $A$,$A$ must be the lady teacher.$5$. Thus,the two married couples are $(B, C)$ and $(D, A)$.$6$. Comparing this with the options,none of the given pairs $(F, D)$,$(D, B)$,or $(E, A)$ are married couples.

Competitive Reasoning Blood Relations Blood Relations

Medium

There is a family of six persons $A, B, C, D, E,$ and $F$. They are lawyer,doctor,teacher,salesman,engineer,and accountant. There are two married couples in the family. $D$,the salesman,is married to the lady teacher. The doctor is married to the lawyer. $F$,the accountant,is the son of $B$ and brother of $E$. $C$,the lawyer,is the daughter-in-law of $A$. $E$ is the unmarried engineer. $A$ is the grandmother of $F$. Which of the following is one of the couples?

A
$F$ and $D$
B
$D$ and $B$
C
$E$ and $A$
D
None of these

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Blood Relations

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Blood Relations

Introducing a man,a woman said,'His wife is the only daughter of my father'. How was that man related to the woman?

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$A$ and $B$ both are children of $C$. If $C$ is the mother of $A$,$A$ is the son of $C$ but $B$ is not the daughter of $C$,how are $A$ and $B$ mutually related?

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There is a family of six persons $A, B, C, D, E,$ and $F$. They are a lawyer,doctor,teacher,salesman,engineer,and accountant. There are two married couples in the family. $D$,the salesman,is married to the lady teacher. The doctor is married to the lawyer. $F$,the accountant,is the son of $B$ and brother of $E$. $C$,the lawyer,is the daughter-in-law of $A$. $E$ is the unmarried engineer. $A$ is the grandmother of $F$. How is $D$ related to $F$?

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There is a family of six persons $A, B, C, D, E$ and $F$. They are Lawyer,Doctor,Teacher,Salesman,Engineer and Accountant. There are two married couples in the family. $D$,the Salesman,is married to the Lady Teacher. The Doctor is married to the Lawyer. $F$,the Accountant,is the son of $B$ and brother of $E$. $C$,the Lawyer,is the daughter-in-law of $A$. $E$ is the unmarried Engineer. $A$ is the grandmother of $F$. How is $D$ related to $F$?

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$X - Z$ means $X$ is the mother of $Z$; $X \times Z$ means $X$ is the father of $Z$; and $X + Z$ means $X$ is the daughter of $Z$. If $M - N \times T + Q$,then which of the following is not true?

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Introducing a man,a woman said,'His wife is the only daughter of my father'. How was that man related to the woman?

$A$ and $B$ both are children of $C$. If $C$ is the mother of $A$,$A$ is the son of $C$ but $B$ is not the daughter of $C$,how are $A$ and $B$ mutually related?

$X - Z$ means $X$ is the mother of $Z$; $X \times Z$ means $X$ is the father of $Z$; and $X + Z$ means $X$ is the daughter of $Z$. If $M - N \times T + Q$,then which of the following is not true?

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