defence exam CISF Constable Driver 2025 Logical Reasoning Blood Relations Coded Blood Relation Problems
'A + B' means 'A is the son of B'
'A - B' means 'A is the husband of B'
'A × B' means 'A is the wife of B'
'A ÷ B' means 'A is the brother of B'
Hence, if we consider K ÷ Q × M + R × D + H - L, then how is L related to M?
1
Maternal grandmother
2
Paternal grandmother
3
Mother-in-law
4
Maternal grandfather