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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q _JEE MAIN_2021
The CORRECT order of first ionisation enthalpy is :
JEE Main Chemistry Medium
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Q JEE MAIN 2021
The range of the function, $f(x)=\log _{\sqrt{5}}\left(3+\cos \left(\frac{3 \pi}{4}+x\right)+\cos \left(\frac{\pi}{4}+x\right)+\cos \left(\frac{\pi}{4}-x\right)-\cos \left(\frac{3 \pi}{4}-x\right)\right)$ is :
JEE Main Mathematics Medium
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Q _JEE MAIN_2021_
Given below are two statements one is labelled as Assertion A and the other is labelled as Reason R. Assertion $\mathrm{A}: \mathrm{SO}_2(\mathrm{~g})$ is adsorbed to...
JEE Main Chemistry Medium
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Q JEE MAIN 2021
Let $\mathrm{P}_1, \mathrm{P}_2 \ldots \ldots, \mathrm{P}_{15}$ be 15 points on a circle. The number of distinct triangles formed by points $\mathrm{P}_{\mathrm{i}}, \mathrm{P}_{\mathrm{j}}, \mathrm{P}_{\mathrm{k}}$ such that...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
Let $S_n=1 \cdot(n-1)+2 \cdot(n-2)+3 \cdot(n-3)+\ldots \cdot+(n-1) \cdot n \geq 4$. The sum $\sum_{n=4}^{\infty}\left(\frac{2 S_n}{n!}-\frac{1}{(n-2)!}\right)$ is equal to :
JEE Main Mathematics Medium
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Q JEE MAIN 2021
The numbers of pairs $(a, b)$ of real numbers, such that whenever $a$ is a root of the equation $x^2+a x+b=0, \alpha^2$ -2 is also...
JEE Main Mathematics Hard
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Q JEE MAIN 2021
Consider the parabola with vertex $\left(\frac{1}{2}, \frac{3}{4}\right)$ and the directrix $y=\frac{1}{2}$. Let $P$ be the point where the parabola meets the line $x=-\frac{1}{2}$. If the...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
The distance of line 3y – 2z – 1 = 0 = 3x – z + 4 from the point (2, – 1, 6) is...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
The area, enclosed by the curves $y=\sin x+\cos x$ and $y=|\cos x-\sin x|$ and the lines $x=0, x=\frac{\pi}{2}$, is :
JEE Main Mathematics Medium
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Q JEE MAIN_2021
Match List - I with List II :
JEE Main Chemistry Medium
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