defence exam CISF Constable Tradesman 2025 Mock Test Logical Reasoning Blood Relations Coded Blood Relation Problems
In a certain code language,
'P + Q' means 'P is the daughter of Q'
'P - Q' means 'P is the husband of Q'
'P × Q' means 'P is the brother of Q'
In 'R + S - T + U', how is U related to R?
1
U is the mother of R.
2
U is the maternal grandparent of R.
3
U is the daughter of R.
4
U is the paternal grandparent of R.