1

IIT-JEE 1982

MCQ (Single Correct Answer)

+2

-0.5

If $$A$$ and $$B$$ are two events such that $$P\left( A \right) > 0,$$ and $$P\left( B \right) \ne 1,$$ then $$P\left( {{{\overline A } \over {\overline B }}} \right)$$ is equal to

2

IIT-JEE 1980

MCQ (Single Correct Answer)

+2

-0.5

The probability that an event $$A$$ happens in one trial of an experiment is $$0.4.$$ Three independent trials of the experiment are performed. The probability that the event $$A$$ happens at least once is

3

IIT-JEE 1980

MCQ (Single Correct Answer)

+2

-0.5

Two events $$A$$ and $$B$$ have probabilities $$0.25$$ and $$0.50$$ respectively. The probability that both $$A$$ and $$B$$ occur simultaneously is $$0.14$$. Then the probability that neither $$A$$ nor $$B$$ occurs is

4

IIT-JEE 1979

MCQ (Single Correct Answer)

+1

-0.25

Two fair dice are tossed. Let $$x$$ be the event that the first die shows an even number and $$y$$ be the event that the second die shows an odd number. The two events $$x$$ and $$y$$ are:

Questions Asked from Probability (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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