Probability

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Q JEE MAIN 2019

Two integers are selected at random from the set {1, 2, ..., 11}. Given that the sum of selected numbers is even, the conditional probability...

JEE Main Mathematics Medium

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Q JEE MAIN 2020

In a box, there are 20 cards, out of which 10 are labelled as A and the remaining 10 are labelled as B. Cards are...

JEE Main Mathematics Medium

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Q JEE MAIN 2019

Minimum number of times a fair coin must be tossed so that the probability of getting at least one head is more than 99% is...

JEE Main Mathematics Medium

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Q JEE MAIN 2020

Let $A$ and $B$ be two independent events such that $P(A)=\frac{1}{3}$ and $P(B)=\frac{1}{6}$. Then, which of the following is TRUE ?

JEE Main Mathematics Easy

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Q JEE MAIN 2020

In a game two players A and B take turns in throwing a pair of fair dice starting with player A and total of scores...

JEE Main Mathematics Hard

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Q JEE Main 2019

An unbiased coin is tossed. If the outcome is a head, then a pair of unbiased dice is rolled and the sum of the numbers...

JEE Main Mathematics Medium

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Q JEE MAIN 2020

The probability of a man hitting a target is $\frac{1}{10}$. The least number of shots required, so that the probability of his hitting the target...

JEE Main Mathematics Medium

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Q JEE MAIN_2021_

Each of the persons A and B independently tosses three fair coins. The probability that both of them get the same number of heads is:

JEE Main Mathematics Medium

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Q JEE MAIN 2020

A random variable X has the following probability distribution
X : 1 2 3 4 5
$...

JEE Main Mathematics Easy

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Q JEE MAIN 2020

If 10 different balls are to be placed in 4 distinct boxes at random, then the probability that two of these boxes contain exactly 2...

JEE Main Mathematics Medium

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