Question Practice

Qn #1987
(i) P ψ Q means P is mother of Q
(ii) P ∈ Q means P is sister of Q
(iii) P $ Q means P is father of Q
(iv) P # Q means P is brother of Q

$\text{Which of the following means X is real grandmother of Y?}$
    ❓ Question: (i) P ψ Q means P is mother of Q(ii) P ∈ Q means P... | TANCET Group Studies | Tancet Group Studies