CUET Preparation Today
CUET
-- Applied Mathematics - Section B2
Numbers, Quantification and Numerical Applications
The unit's digit of $2^{2025}$ is
1
2
3
4
The correct answer is Option (2) → 2 **
$2^{2025}$ has a units-digit cycle of length $4$: $2,4,8,6$. Since $2025\equiv1\pmod{4}$, the units digit is $2$.
