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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
If $I_1=\int_0^1\left(1-x^{50}\right)^{100} d x$ and $I_2=\int_0^1\left(1-x^{50}\right)^{101} d x$ such that $I_2=\alpha I_1$ then $\alpha$ equals to:
JEE Main Mathematics Hard
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Q JEE MAIN 2020
The number of chiral carbon(s) present in peptide, Ile-Arg-Pro, is
JEE Main Chemistry Medium
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Q JEE MAIN 2020
Let $z=x+$ iy be a non-zero complex number such that $z^2=i|z|^2$, where $i=\sqrt{-1}$, then $z$ lies on the
JEE Main Mathematics Easy
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Q JEE MAIN 2020
The region represented by $\{z=x+i y \in C:|z|-\operatorname{Re}(z) \leq 1\}$ is also given by the inequality :
JEE Main Mathematics Easy
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Q JEE MAIN 2020
For a suitably chosen real constant a , let a function, $\mathrm{f}: \mathrm{R}-\{-\mathrm{a}\} \rightarrow \mathrm{R}$ be defined by $f(x)=\frac{a-x}{a+x}$. Further suppose that for any real...
JEE Main Mathematics Medium
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Q JEE MAIN 2020
$$ \text { The integral } \int_1^2 e^x \cdot x^x\left(2+\log _e x\right) d x \text { equals : } $$
JEE Main Mathematics Hard
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Q JEE MAIN 2020
If $\{p\}$ denotes the fractional part of the number $p$, then $\left\{\frac{3^{200}}{8}\right\}$, is equal to:
JEE Main Mathematics Easy
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Q JEE MAIN 2020
The total number of coordination sites in ethylenediaminetetraacetate (EDTA ${ }^{4-}$ ) is
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The minimum number of moles of $\mathrm{O}_2$ required for complete combustion of 1 mole of propane and 2 moles of butane is
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The difference between radii of $3^{\text {rd }}$ and $4^{\text {th }}$ orbits of $\mathrm{Li}^{2+}$ is $\Delta \mathrm{R}_1$. The difference between the radii of $...
JEE Main Chemistry Easy
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