Plz solve( central tendency)

Swapnil (Student) (183 Points)

02 April 2014  

Dear CCI members, plz guide me to solve these problems from ICAI Book.

1. If the A.M and H.M for two numbers are 5 and 302 respectively then what is GM ? Ans: 4

2. The Average Salary of a group of unskilled workers us Rs.10,000 and that of a group of skilled workers in Rs.15000. If the Combined salary is Rs.12000, then what is the percentage of skilled workers? Ans: 40%