If A and B are two events such that \(P(A)=0.7\), \(\mathrm{P}(\mathrm{B})=0.4\) and \(\mathrm{P}(\mathrm{A}\cap \overse…

If A and B are two events such that \(P(A)=0.7\), \(\mathrm{P}(\mathrm{B})=0.4\) and \(\mathrm{P}(\mathrm{A}\cap \overset{¯}{\mathrm{B}})=0.5\), where \(\overset{¯}{\mathrm{B}}\) denotes the complement of B, then \(P(B∣(A\cup \overset{¯}{B}))\) is equal:-

[JEE Main 2025, 8 Apr (Shift 1)]