defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Probability Probability of Complementary Event
If A and B are two events such that \(\rm P(A \cup B) = \frac {3}{4},\;P(A \cap B) = \frac {1}{4},\; P(\bar{A}) = \frac 2 3\) where A̅ is the complement of A, then what is P(B) equal to?
1
1 / 3
2
2 / 3
3
1 / 9
4
2 / 9