List of top Computer Science & Information Technology Questions on Boolean Algebra asked in AP PGECET

If the Boolean expression $ (p \Rightarrow q) \Leftrightarrow (q \land (\sim p)) $ is a tautology, then the Boolean expression $ (p \land (\sim q)) $ is equivalent to
For the function $ f(x) = x^2 e^{-x} $, the maximum occurs when $ x $ is equal to
Two of the eigenvalues of a 3x3 matrix are -1 and 2. The determinant of the matrix is 4. Then the third eigenvalue is
The binary equivalent of $ (222)_3 $ is
The Boolean expression $ AB + AB' + AC + A'C' + AD + AD' $ is independent of which of the following variables?