engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Logical Reasoning Blood Relations Coded Blood Relation Problems
'D ≡ G’ means ‘D is the sister of G’.
‘D ∆ G’ means ‘D is the husband of G’.
‘D ∇ G’ means ‘D is the daughter of G’.
‘D ∃ G’ means ‘D is the mother of G’.
‘D ∞ G’ means ‘D is the brother of G’.
Which of the following expressions denotes that ‘S is the husband of M’?
1
S ∞ H ≡ L ≡ Q ∃ M
2
Q ∇ M ∃ H ≡ L ∃ S
3
M ∃ Q ∆ L ≡ H ∃ S
4
M ∃ Q ≡ L ∞ H ∇ S