Task: Question Answering
Input (English): Problem: a student appeared in the mock cat. the test paper contained 3 sections namely qa, di and va. the percentage marks in all va was equal to the average of percentage marks in all the 3 sections. coincidentally, if we reverse the digit of the percentage marks of qa we get the percentage marks of di. the percentage marks in va scored by student could be :
Options: a. 81, b. 48, c. 66, d. 69, e. none of these
Output (English): c