1

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

2

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

3

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

4

IIT-JEE 1998

MCQ (Single Correct Answer)

+2

-0.5

A fair coin is tossed repeatedly. If the tail appears on first four tosses, then the probability of the head appearing on the fifth toss equals

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

Number in Brackets after Paper Indicates No. of Questions

JEE Advanced 2023 Paper 2 Online (1)
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IIT-JEE 2007 (2)
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IIT-JEE 2006 (3)
IIT-JEE 2005 Screening (1)
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IIT-JEE 2003 Screening (2)
IIT-JEE 1999 (1)
IIT-JEE 1998 (5)
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IIT-JEE 1988 (1)
IIT-JEE 1986 (2)
IIT-JEE 1984 (2)
IIT-JEE 1983 (1)
IIT-JEE 1982 (1)
IIT-JEE 1980 (2)
IIT-JEE 1979 (1)

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