Let \(\mathrm{A}={1,6,11,16,\ldots }\) and \(\mathrm{B}={9,16,23,30,\ldots }\) be the sets consisting of the first \(202…

Let \(\mathrm{A}={1,6,11,16,\ldots }\) and \(\mathrm{B}={9,16,23,30,\ldots }\) be the sets consisting of the first \(2025\) terms of two arithmetic progressions. Then \(n(A\cup B)\) is

[JEE Main 2025, 4 Apr (Shift 1)]