Correct option is C
Given:
A + B means ‘A is the mother of B’
A – B means ‘A is the brother of B’
A × B means ‘A is the wife of B’
A ÷ B means ‘A is the father of B’.

Explanation:
‘G + J ÷ H × I – K’

G is K’s brother’s wife’s father’s mother.