Task: Question Answering
Input (English): Problem: the average salary / head of all the workers in a workshop is rs. 1100, if the average salary / head of 9 technician is rs. 1300 and the average salary / head of the rest is rs. 880, the total no. of workers in the work - shop is ?
Options: a. 18, b. 20, c. 22, d. 17, e. 26
Output (English): d