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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
JEE Main Physics Easy
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Q JEE MAIN 2021
If the value of the integral $\int_0^5 \frac{x+[x]}{e^{x-[x]}} d x=\alpha e^{-1}+\beta$, where $a, b \in R, 5 \alpha+6 \beta=0$, and $[x]$ denotes the greatest integer...
JEE Main Mathematics Hard
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Q JEE MAIN 2021
Hydrogen peroxide reacts with iodine in basic medium to give :
JEE Main Chemistry Medium
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Q JEE MAIN 2021
A block moving horizontally on a smooth surface with a speed of 40 m/s splits into two parts with masses in the ratio of 1:2....
JEE Main Physics Easy
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Q JEE MAIN 2021
Consider the following cell reaction :
$\mathrm{Cd}_{(\mathrm{s})}+\mathrm{Hg}_2 \mathrm{SO}_{4(\mathrm{~s})}+\frac{9}{5} \mathrm{H}_2 \mathrm{O}_{(\mathrm{i})} \rightleftharpoons \mathrm{CdSO}_4 \cdot \frac{9}{5} \mathrm{H}_2 \mathrm{O}_{(\mathrm{s})}+2 \mathrm{Hg}_{(\mathrm{i})}$
The value of $\mathrm{E}_{\text {cell }}^0$...
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Match List – I with List - II.
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The local maximum value of the function $f(x)=\left(\frac{2}{x}\right)^{x^2}, x>0$, is
JEE Main Mathematics Medium
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Q JEE MAIN 2021
A mixture of hydrogen and oxygen has volume $500 \mathrm{~cm}^3$, temperature 300 K , pressure 400 kPa and mass 0.76 g . The ratio of...
JEE Main Physics Easy
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Q JEE-MAIN 2021
In the following sequence of reactions a compound A , (molecular formula $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_2$ ) with a straight chain structure gives a $\mathrm{C}_4$ carboxylic...
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The structure of product C, formed by the following sequence of reactions is :
$...
JEE Main Chemistry Easy
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