NVAMediumJEE Main 2023 · 15 April, Shift 1Sets & Operations

Mathematics Question from JEE Main 2023 · 15 April, Shift 1

The number of elements in the set {nN:10n100 and 3n3 is a multiple of 7}\{\,n\in\mathbb{N} : 10\le n\le 100 \text{ and } 3^n-3 \text{ is a multiple of } 7\,\} is

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