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Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
Let the mean of the data \begin{tabular}{|l|l|l|l|l|l|} \hline$x$ & 1 & 3 & 5 & 7 & 9 \\ \hline Frequency $(f)$ & 4 &...
JEE Main Mathematics Medium
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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 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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