The probability of an event P is (frac{3}{4}) while that of another event Q is (frac{1}{6}). If the probability of both P and Q is (frac{1}{2}). What is the probability of either P or Q.

A.
(frac{1}{96}) 
B.
(frac{1}{8}) 
C.
(frac{5}{6}) 
D.
(frac{11}{12})
Correct Answer: Option D
Explanation
Prob of P = (frac{3}{4})
Prob of Q = (frac{1}{6})
Prob of both P or Q = (frac{3}{4} + frac{1}{6} = frac{11}{12})