# Probability · Mathematics · AP EAPCET

Start Practice## MCQ (Single Correct Answer)

AP EAPCET 2021 - 20th August Morning Shift

One card is selected at random from 27 cards
numbered form 1 to 27. What is the
probability that the number on the card is
even or divisible by 5....

AP EAPCET 2021 - 20th August Morning Shift

Nine balls one drawn simultaneously from a bag containing 5 white and 7 black balls. The probability of drawing 3 white and 6 black balls is

AP EAPCET 2021 - 20th August Morning Shift

The probabilities that $$A$$ and $$B$$ speak truth are $$\frac{4}{5}$$ and $$\frac{3}{4}$$ respectively. The probability that they contradict each oth...

AP EAPCET 2021 - 20th August Morning Shift

The mean and variance of a binomial variable
X are 2 and 1 respectively. The probability
that X takes values greater than 1 is

AP EAPCET 2021 - 19th August Evening Shift

P speaks truth in 70% of the cases and Q in
80% of the cases. In what percent of cases are
they likely to agree in stating the same fact

AP EAPCET 2021 - 19th August Evening Shift

If $$A$$ and $$B$$ are two events with $$P(A \cap B)=\frac{1}{3}, P(A \cup B)=\frac{5}{6}$$ and $$P\left(A^C\right)=\frac{1}{2}$$, then the value of $...

AP EAPCET 2021 - 19th August Evening Shift

A coin is tossed 2020 times. The probability of getting head on 1947th toss is

AP EAPCET 2021 - 19th August Evening Shift

A discrete random variable X takes values 10,
20, 30 and 40. with probability 0.3, 0.3, 0.2
and 0.2 respectively. Then the expected value
of X is...

AP EAPCET 2021 - 19th August Evening Shift

Let $$X$$ be a random variable which takes values $$1,2,3,4$$ such that $$P(X=r)=K r^3$$ where $$r=1,2,3,4$$ then

AP EAPCET 2021 - 19th August Morning Shift

12 balls are distributed among 3 boxes, then the probability that the first box will contain 3 balls is

AP EAPCET 2021 - 19th August Morning Shift

A random variable X has the probability distribution
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AP EAPCET 2021 - 19th August Morning Shift

A die is tossed thrice. If event of getting an even number is a success, then the probability of getting at least 2 successes is