Answer: The correct option is C. The term 5ba is the like term of 25ab.
Step-by-step explanation:
The given term is 25ab.
The terms which contains same variables and same exponents(power) are called like terms.
In the given term we have a constant 25 and two variables a and b with exponent 1.
Reason for correct option:
In option C, we have a constant 25 and two variables a and b with exponent 1, therefore this option is correct and 5ba is like term of 25ab.
Reason for incorrect option:
In option A, we have only constant term therefore it is not a like term of 25ab.
In option B, we have a constant term and single variable a therefore it is not a like term of 25ab.
In option D, we have a constant term and single variable b therefore it is not a like term of 25ab.