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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
Consider the statement: "For an integer n , if $\mathrm{n}^3-1$ is even, then n is odd." The contrapositive statement of this statement is :
JEE Main Mathematics Easy
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Q JEE MAIN 2020
The general solution of the differential equation $\sqrt{1+x^2+y^2+x^2 y^2}+x y \frac{d y}{d x}=0$ is : (where C is a constant of integration)
JEE Main Mathematics Hard
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Q JEE MAIN 2020
JEE Main Mathematics Hard
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Q JEE MAIN 2020
In the following reaction sequence the major products A and B are:
JEE Main Chemistry Medium
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Q JEE MAIN 2020
The shortest distance between the lines $\frac{x-1}{0}=\frac{y+1}{-1}=\frac{z}{1}$ and $x+y+z+1=0,2 x-y+z+3=0$ is :
JEE Main Mathematics Easy
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Q JEE MAIN 2020
A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives for A and B are 300 s...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
Let $f: R \rightarrow R$ be a function defined by $f(x)=\max \left\{x, x^2\right\}$. Let $S$ denote the set of all points in $R$, where $f$...
JEE Main Mathematics Easy
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Q JEE MAIN 2020
The negation of the Boolean expression $p \vee(\sim p \wedge q)$ is equivalent to
JEE Main Mathematics Easy
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Q JEE MAIN 2020
Identify the correct molecular picture showing what happens at the critical micellar concentration (CMC) of an aqueous solution of a surfactant ( t polar head;...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
If the constant term in the binomial expansion of $\left(\sqrt{x}-\frac{k}{x^2}\right)^{10}$ is 405 , then $|k|$ equals :
JEE Main Mathematics Easy
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