R + S means ‘R is the daughter of S’ R = S means ‘ R is the father of S’

R + S means ‘R is the daughter of S’ R = S means ‘ R is the father of S’

R ÷ S means ‘ R is the wife of S’

R × S means ‘ R is the brother of S’

E ÷ F × J + L = M, then how is L related to E?

A. Father

B. Wife

C. Father-in-law

D. Brother

Sol:

Family tree according to the question

L is father in law of E.