engineering recuitment OPSC Assistant Industries Officer Mock Test 2025 Logical Reasoning Blood Relations Coded Blood Relation Problems
'A + B' means 'A is the brother of B'
'A - B' means 'A is the mother of B'
'A × B' means 'A is the husband of B'
'A ÷ B' means 'A is the sister of B'
If C ÷ M - S + K - T × Q, then which of the following statements is NOT correct?
1
K is the mother-in-law of Q.
2
S is the maternal uncle of T.
3
S is the father of Q.
4
M is the mother of K.