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Probability

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
Let $A$ and $B$ be two non-null events such that $A \subset$ B. Then, which of the following statements is always correct?
JEE Main Mathematics Easy
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Q JEE MAIN 2021
Two fair dice are thrown. The numbers on them are taken as l and m, and a system of linear equations
$...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
A fair die is tossed until six is obtained on it. Let $X$ be the number of required tosses, then the conditional probability $...
JEE Main Mathematics Medium
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Q JEE Main 2019
Two cards are drawn successively with replacement from a well-shuffled deck of 52 cards. Let X denote the random variable of number of aces obtained...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
Let X be a random variable with distribution.

If the mean of $X$ is 2.3...
JEE Main Mathematics Hard
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Q JEE MAIN 2021
Two squares are chosen at random on a chessboard (see figure). The probability that they have a side in common is :
JEE Main Mathematics Medium
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Q JEE MAIN_2021_
Let 9 distinct balls be distributed among 4 boxes, $B_1, B_2, B_3$ and $B_4$. If the probability than $B_3$ contains exactly 3 balls is then...
JEE Main Mathematics Medium
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Q JEE MAIN 2021 S2
A student appeared in an examination consisting of 8 true-false type questions. The student guesses the answers with equal probability. The smallest value of n...
JEE Main Mathematics Medium
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Q JEE MAIN 2021 S2
A fair coin is tossed $n$-times such that the probability of getting at least one head is at least 0.9 . Then the minimum value...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The minimum number of times one has to toss a fair coin so that the probability of observing at least one head is at least...
JEE Main Mathematics Medium
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