Place value and face value are always equal at which place?

The correct option is B

Ones

The explanation for the correct option.

Place value can be defined as the value represented by a digit in a number on the basis of its position in the number.

The face value of a number is the value of the digit or the numeral itself.

The place value and face value are always equal at one's place.

For example, In a number $563$.

The face value of $3$ is $3$.

The place value of $3$ is $3$.

Hence, the option $B$ is correct.