NCERT Solutions
Class 12 Maths
Linear Programming
Class 12 Maths
Linear Programming
Ex.13.1 Q.13
An instructor has a question bank consisting of 300 easy True/False questions, 200 difficult True/False questions,
500 easy multiple choice questions and 400 difficult multiple choice questions.
If a question is selected at random from the question bank,
what is the probability that it will be an easy question given that it is a multiple choice question?
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