List of top Mathematics Questions on Linear Programming asked in BITSAT

It is given that the events A and B are such that P(A) = 1/4, P(A|B) = 1/2, P(B|A) = 2/3
Then P(B) is
The minimum value of the function z = 4x + 3y subject to the constraints:
3x + 2y ≥ 160, 5x + 2y ≥ 200, x + 2y ≥ 80, x ≥ 0, y ≥ 0.
is:
A person standing on the bank of a river observes that the angle subtended by a tree on the opposite bank is 60^. When he retreats 20 feet from the bank, he finds the angle to be 30^. The breadth of the river in feet is:
In a triangle ABC, C=90^, then (a²-b²)/(a²+b²) is equal to