Jee Main
Sets And Relations
JEE Main 2023 (Online) 15th April Morning Shift
INTEGER+4 / -12023
The number of elements in the set
$\left\{n \in \mathbb{N}: 10 \leq n \leq 100\right.$ and $3^{n}-3$ is a multiple of 7$\}$ is ___________.
$\left\{n \in \mathbb{N}: 10 \leq n \leq 100\right.$ and $3^{n}-3$ is a multiple of 7$\}$ is ___________.