Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematical Science Algebra Rings & Ideals
which of the following is NOT correct?
1
The number of prime ideal in \(\mathbb Z_{10^5}\) is 2
2
The characteristic of the ring \(\mathbb Z_2\times \mathbb Z_4\times \mathbb Z_6\) is 12
3
\(\mathbb Z\over 3\mathbb Z\) is not a field
4
\(\mathbb Z\over 3\mathbb Z\) is a field