‘F & G’ means ‘F is the mother of G’.
‘F # G’ means ‘F is the father of G’.
‘F @ G’ means ‘F is the husband of G’.
‘F % G’ means ‘F is the daughter of G’.
If J @ C & B # R, then how is J related to R?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Father's father.
J @ C & B # R → J is the husband of C, C is the mother of B, B is the Father of R
The possible Family tree:

(In above diagram, circle represents female, square represents male, double line means married couple, single line means siblings, vertical line shows generational gap.)
Clearly, J is the Father's father of R.