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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
In a bombing attack, there is 50% chance that a bomb will hit the target. Atleast two independent hits are required to destroy the target...
JEE Main Mathematics Medium
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Q JEE MAIN 2020
The lanthanoid that does NOT show +4 oxidation state is
JEE Main Chemistry Medium
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Q JEE MAIN 2020
If the lines $x+y=a$ and $x-y=b$ touch the curve $y=x^2-3 x+2$ at the points where the curve intersects the $x$-axis, then $\frac{a}{b}$ is equal to
JEE Main Mathematics Medium
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Q JEE MAIN 2020
A set of solutions is prepared using 180 g of water as a solvent and 10 g of different nonvolatile solutes A, B and C....
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Let $A=\{a, b, c\}$ and $B=\{1,2,3,4\}$. Then the number of elements in the set $C=\{f: A \rightarrow B \mid 2 \in f(A)$ and $f$ is...
JEE Main Mathematics Hard
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Q JEE MAIN 2020
For the given cell; $$ \mathrm{Cu}(\mathrm{~s})\left|\mathrm{Cu}^{2+}\left(\mathrm{C}_1 \mathrm{M}\right) \| \mathrm{Cu}^{2+}\left(\mathrm{C}_2 \mathrm{M}\right)\right| \mathrm{Cu}(\mathrm{~s}) $$ change in Gibbs energy ( $\Delta \mathrm{G}$ ) is negative, if
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The area (in sq. units) of the region $A=\{(x, y): \quad(x-1)[x] \leq y \leq 2 \sqrt{x}, 0 \leq x \leq 2\}$, where $[t]$ denotes the...
JEE Main Mathematics Hard
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Q JEE MAIN 2020
Two capacitors of capacitances C and 2C are charged to potential differences V and 2V, respectively. These are then connected in parallel in such a...
JEE Main Physics Medium
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Q JEE MAIN 2020
For a reaction, $$ 4 \mathrm{M}(\mathrm{~s})+\mathrm{nO}_2(\mathrm{~g}) \rightarrow 2 \mathrm{M}_2 \mathrm{O}_{\mathrm{n}}(\mathrm{~s}) $$ the free energy change is plotted as a function of temperature. The temperature below...
JEE Main Chemistry Easy
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