The average salary of all the workers in a workshop is Rs 8000 The average salary of 7 technicians i......

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 :

Lot the total number of workers be v Then,
8OOOv = (12000 * 7) + 6000 (v - 7) <=>  2000v = 42000  <=>  v = 21

By: MIRZA SADDAM HUSSAIN