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QJEE MAIN 2023
The number of correct statement/s involving equilibria in physical process from the following is (A) Equilibrium is possible only in a closed system at...
JEE MainChemistryMedium
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QJEE-Main_2023
If ${ }^{2 n} C_3 \cdot{ }^n C_3=10: 1$, then the ratio $\left(n^2+3 n\right):\left(n^2-3 n+4\right)$ is
JEE MainMathematicsEasy
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QJEE MAIN 2023
The mean of the coefficients of $x, x^2$ $\_\_\_\_$ $x^7$ in the binomial expansion of $(2+x)^9$ is $\_\_\_\_$ .
JEE MainMathematicsEasy
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QJEE MAIN 2023
When a 60 W electric heater is immersed in a gas for 100s in a constant volume container with adiabatic walls, the temperature of the...
JEE MainChemistryEasy
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QJEE MAIN 2023
The incorrect statement regarding the reaction given below is
JEE MainChemistryMedium
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QJEE MAIN 2023
Identify the correct order of reactivity for the following pairs towards the respective mechanism ...
JEE MainChemistryMedium
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QJEE MAIN 2023
Let $[x]$ be the greatest integer $\leq x$. Then the number of points in the interval $(-2,1)$, where the function $f(x)=|[x]|+\sqrt{x-[x]}$ is discontinuous is $\_\_\_\_$...
JEE MainMathematicsMedium
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QJEE-Main 2023
A pair of dice is thrown 5 times. For each throw, a total of 5 is considered a success. If the probability of at least...
JEE MainMathematicsMedium
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QJEE MAIN 2023
Let the mean and variance of 8 numbers x, y, 10, 12, 6, 12, 4, 8, be 9 and 9.25 respectively. If x > y,...
JEE MainMathematicsEasy
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QJEE MAIN 2023
Let $x_1, x_2$ $\_\_\_\_$ $x_{100}$ be in an arithmetic progression, with $x_1=2$ and their mean equal to 200 . If $...
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