(i) `P xx Q'` means 'Q' is father of P'.
(ii) `P + Q'` means 'P' is sister of Q'.
(iii) 'P + Q' means 'P is mother of Q'.
(iv) 'P `div` Q' means 'P is brother of Q'
Which of the following represents 'J is son of F' ?

Options

A. `J -: R-T xx F`
B. `J+R-T xx F,`
C. `J-: M-N xx F`
D. none of these

Answer

D

Explanation

`J -: R-Txx F` means J is the brother of R who is the sister of T who is the father of F i.e. J is the uncle of F, `J+ : R-T xx F`, means J is the mother of R who is the sister of T who is the father of F i.e. Jis grandmother of F, J+M-NxF means J is the brother of M who is the sister of N who is the father of Fi.e. J is the uncle of F J son of F. means F is the mother/father of J who is a male (brother of some person A) i.e. `F xx J -: A` OR `F + J +: A.`