The average salary of all employees in a factory is Rs 8840. If the average salary of all the officers is Rs 15000...

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 (a) 20 (b) 21 (c) 22 (d) 23

The average salary of all employes of a company is Rs. 5000 . The average salary of male is Rs. 5200 and the average salary of female is Rs. 4200 . How much percentage of male are in the company?