An instructor has a question bank consisting of 300 easy True/False question,200 difficult true/false questions, 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected from the test question bank, what is the probability that it will be an easy question given that it is a multiple choice question?

Explanation

The total number of multiple choice questions = 500+400 = 900.
Out of these 900 question, 500 are easy qestions.
Hence,the required probability=500/900=5/9