Among the following the terminating decimal is 

A number which ends with after some decimal values (or) If the denominator of a rational number is in the form of $2^m\times 5^n$, where m, n are non negative integers is called a terminating decimal.

Option (A): 0.025 is ends with after 3 decimal values

Option (B): 0.232323….. , it is non-terminating repeating decimal.

Option (C): $\frac{5}{10}=\frac{1}{2}=0.5$ so it is terminating decimal