Question

in a factory, the average salary of the employees is ₹70.if the average salary of 12 officers is ₹400 and that of the remaining employees is ₹60,then the number of the employees are???

full solved step-by-step please​

Answer 1

Answer:

Step-by-step explanation:

do it by alligation...

            12                    x(say no. of employees)

          400                    60

                    70(the avg)

        70-60=10               400-70=330

10/330=12/x      ->   396=x