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Probability

Get chapter-wise JEE Main & Advanced questions with solutions

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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Q JEE MAIN 2019
Let S = {1, 2, ...., 20}. A subset B of S is said to be “nice”, if the sum of the elements of B...
JEE Main Mathematics Easy
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Q JEE-MAIN 2020
The probability that a randomly chosen 5-digit number is made from exactly two digits is :
JEE Main Mathematics Easy
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Q JEE MAIN 2020
Let $A$ and $B$ be two events such that the probability that exactly one of them occurs is $\frac{2}{5}$ and the probability that $A$ or...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
An electric instrument consists of two units. Each unit must function independently for the instrument to operate. The probability that the first unit functions is...
JEE Main Mathematics Easy
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Q JEE MAIN 2020
An unbiased coin is tossed 5 times. Suppose that a variable X is assigned the value k when k consecutive heads are obtained for k...
JEE Main Mathematics Easy
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Q JEE MAIN 2019
If the probability of hitting a target by a shooter, in any shot, is $\frac{1}{3}$, then the minimum number of independent shots at the target...
JEE Main Mathematics Easy
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