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Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-Main 2023
The mean and variance of a set of 15 numbers are 12 and 14 respectively. The mean and variance of another set of 15 numbers...
JEE Main Mathematics Easy
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Q JEE MAIN 2023
The number of ordered triplets of the truth values of $p, q$ and $r$ such that the truth value of the statement $...
JEE Main Mathematics Easy
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Q JEE MAIN 2023
Let the mean and variance of 8 numbers x, y, 10, 12, 6, 12, 4, 8, be 9 and 9.25 respectively. If x > y,...
JEE Main Mathematics Easy
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Q JEE MAIN 2023
If the mean of the frequency distribution then its variance is ______.
JEE Main Mathematics Easy
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Q JEE-Main 2023
The mean and variance of a set of 15 numbers are 12 and 14 respectively. The mean and variance of another set of 15 numbers...
JEE Main Mathematics Easy
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Q JEE MAIN
The frequency distribution of the age of students in a class of 40 students is given below. JEE Main Mathematics Medium
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Q JEE MAIN 2024
From a lot of 10 items, which include 3 defective items, a sample of 5 items is drawn at random. Let the random variable X...
JEE Main Mathematics Easy
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Q JEE-Main
Let a variable line of slope m > 0 passing through the point (4,-9) intersect the coordinate axes at the points A and B. the...
JEE Main Mathematics Medium
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Q JEE MAIN 2024
Let a,b∈R. Let the mean and the variance of 6 observations -3,4,7,-6,a,b be 2 and 23 , respectively. The mean deviation about the mean of...
JEE Main Mathematics Medium
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Q JEE-Main 2024
The mean and standard deviation of 20 observations are found to be 10 and 2, respectively. On respectively, it was found that an observation by...
JEE Main Mathematics Medium
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