The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is:  Choose the correct choice from the following answers.
A) 21
B) 20
C) 22
D) 25
E) 40
Let the total number of workers be x. Then,   8000x = (12000 * 7) + 6000(x - 7)   = 2000x = 42000   = x = 21.   21NSWER 21
<result>A</result>
The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is: