1

IIT-JEE 1998

MCQ (Single Correct Answer)

+2

-0.5

If from each of the three boxes containing $$3$$ white and $$1$$ black, $$2$$ white and $$2$$ black, $$1$$ white and $$3$$ black balls, one ball is drawn at random, then the probability that $$2$$ white and $$1$$ black ball will be drawn is

2

IIT-JEE 1998

MCQ (Single Correct Answer)

+2

-0.5

There are four machines and it is known that exactly two of them are faulty. They are tested, one by one, in a random order till both the faulty machines are identified. Then the probability that only two tests are needed is

3

IIT-JEE 1998

MCQ (Single Correct Answer)

+2

-0.5

If $$E$$ and $$F$$ are events with $$P\left( E \right) \le P\left( F \right)$$ and $$P\left( {E \cap F} \right) > 0,$$ then

4

IIT-JEE 1998

MCQ (Single Correct Answer)

+2

-0.5

Seven white balls and three black balls are randomly placed in a row. The probability that no two black balls are placed adjacently equals

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

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