Read the following information carefully and answer the questions which follow.
(i) A is the mother of B.
(ii) C is the sister of A.
(iii) D is the father of C.
(iv) B is the son of E.
How is D related to E?

Q. Read the following information carefully and answer the questions which follow.
(i) A is the mother of B.
(ii) C is the sister of A.
(iii) D is the father of C.
(iv) B is the son of E.
Which of the following statements are required to establish that E is male?

Q. Read the following information carefully and answer the questions which follow.
(i) ${}^{\prime }A\times B^{\prime }$ means 'A is the wife of B'.
(ii) ${}^{\prime }A+B^{\prime }$ means 'A is the brother of B'.
(iii) ${}^{\prime }A÷B^{\prime }$ means 'A is the daughter of B'.
(iv) ${}^{\prime }A-B^{\prime }$ means 'A is the son of B'.
How is T related to P, if ${}^{\prime }P\times Q-T+R^{\prime }$?

Q. Read the following information carefully and answer the questions which follow.
(i) ${}^{\prime }A\times B^{\prime }$ means 'A is the wife of B'.
(ii) ${}^{\prime }A+B^{\prime }$ means 'A is the brother of B'.
(iii) ${}^{\prime }A÷B^{\prime }$ means 'A is the daughter of B'.
(iv) ${}^{\prime }A-B^{\prime }$ means 'A is the son of B'.
How is T related to P if $P\times Q-T+R$?

Q. Read the following information carefully and answer the questions which follow.
(i) ${}^{\prime }A\times B^{\prime }$ means 'A is the father of B'.
(ii) ${}^{\prime }A+B^{\prime }$ means 'A is the daughter of B'.
(iii) ${}^{\prime }A÷B^{\prime }$ means 'A is the mother of B'.
(iv) ${}^{\prime }A-B^{\prime }$ means 'A is the brother of B'.
If ${}^{\prime }P\times T+Q+R^{\prime }$, then how is R related to P?

Q. Read the following information carefully and answer the following questions.
(i) ${}^{\prime }A-B^{\prime }$ means A is the father of B.
(ii) ${}^{\prime }A÷B^{\prime }$ means A is the son of B.
(iii) ${}^{\prime }A\times B^{\prime }$ means A is the wife of B.
In the expression ${}^{\prime }P+Q\times T^{\prime }$, how is T related to P?