railway RPF Constable Mock Test Series 2024 Logical Reasoning Blood Relations Coded Blood Relation Problems
'A + B' means 'A is the father of B'
'A - B' means 'A is the wife of B'
'A × B' means 'A is the brother of B'
'A ÷ B' means 'A is the daughter of B'
If 'P - R × Q + S', then which of the following statements is true?
1
P is the sister-in-law of R.
2
P is the sister-in-law of Q.
3
Q is the sister-in-law of P.
4
P is the sister-in-law of S.