Question

the mean monthly salary of 500 employees is 5000, mean monthly salary of male and female are 5200 and 4200 respectively, find the number of male?

Answer 1

if male get 5200 salary and female get 4200 there are 520 male and 420 female

salary of 1 employee = 10

5000/500=10

(salary(1month)/employee=salary per employee(1month)) based on 1 month