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Q JEE MAIN 2021 S2
Let $A=\left\{n \in N \mid n^2 \leq n+10,000\right\}, B=\{3 k+1 \mid k \in N\}$ and $C=\{2 k \mid k \in N\}$, then the sum of...
JEE Main Mathematics Medium
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Q JEE MAIN _2021_
Which of the following Boolean expressions is not a tautology?
JEE Main Mathematics Easy
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Q JEE MAIN_2021_
In a school, there are three types of games to be played. Some of the students play two types of games, but none play all...
JEE Main Mathematics Medium
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Q JEE MAIN_2022
The series of positive multiples of 3 is divided into sets : {3}, {6, 9,12}, {15, 18, 21, 24, 27},... Then the sum of the...
JEE Main Mathematics Medium
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Q JEE MAIN 2022
Let $A=\{n \in N:$ H.C.F. $(n, 45)=1\}$ and Let $B=\{2 k: k \in\{1,2, \ldots, 100\}\}$. Then the sum of all the elements of $...
JEE Main Mathematics Medium
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Q JEE MAIN 2023
In a group of 100 persons 75 speak English and 40 speak Hindi. Each person speaks at least one of the two languages. If the...
JEE Main Mathematics Easy
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Q JEE MAIN 2023
The mean and standard deviation of 10 observations are 20 and 8 respectively. Later on, it was observed that one observation was recorded as 50...
JEE Main Mathematics Easy
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Q JEE MAIN 2023
Let the number of elements in sets A and B be five and two respectively. Then the number of subsets of A × B each...
JEE Main Mathematics Easy
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Q JEE MAIN 2023
An organization awarded 48 medals in event ‘A’, 25 in event ‘B’ and 18 in event ‘C’. If these medals went to total 60 men...
JEE Main Mathematics Medium
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Q JEE-Main 2023
Let $A=\{x \in R ;[x+3]+[x+4] \leq 3\},\left\{x \in R: 3^x\left(\sum_{t=1}^{\infty} \frac{3}{10^t}\right)^{x-3}<3^{-3 x}\right\}$, where[t] denotes greatest integer function. Then,
JEE Main Mathematics Medium
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