Math Chapter Wise Permutation And Combination English MCQ TGT 2010, 1999 Q.If A and B are such events that P(A) > 0 and P(B)≠0, then A P B is equal to A1 () () P A B P B − ∪ B() 1 () P A B P A ∪ − C1 A P B + DNone of these Show answer Correct answer: 1 () () P A B P B − ∪