The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 20000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is  Select the correct option:
A) 20
B) 49
C) 22
D) 23
E) NONE
Sol.   Let the total number of workers be x. Then,   8000x = (20000 × 7) + 6000 ( x – 7)   ‹=› 2000x = 98000   ‹=› x = 49.   Answer 49
<result>B</result>
The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 20000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is