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1
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
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The number of 3-digit numbers, that are divisible by either 2 or 3 but not divisible by 7, is ____________.

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2
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
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The number of words, with or without meaning, that can be formed using all the letters of the word ASSASSINATION so that the vowels occur together, is ___________.

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3
JEE Main 2023 (Online) 31st January Evening Shift
Numerical
+4
-1
Change Language
Let $\mathrm{A}=\left[\mathrm{a}_{i j}\right], \mathrm{a}_{i j} \in \mathbb{Z} \cap[0,4], 1 \leq i, j \leq 2$.

The number of matrices A such that the sum of all entries is a prime number $\mathrm{p} \in(2,13)$ is __________.
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4
JEE Main 2023 (Online) 31st January Evening Shift
Numerical
+4
-1
Change Language
If ${ }^{2 n+1} \mathrm{P}_{n-1}:{ }^{2 n-1} \mathrm{P}_{n}=11: 21$,

then $n^{2}+n+15$ is equal to :
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