# The average salary per month of 30 employees in a company is Rs. 4000. If the manager’s salary is added, the average salary increases to Rs. 4300, what is the salary of the manager? Option 1) Rs. 10000Option 2) Rs. 12500Option 3) Rs. 12000Option 4) Rs. 13300Option 5) Rs. 13000

$Avg.\: Salary = 4000$
$sum = 30*4000= 120000$
$Manager \: added => sum=31*4300=133300$
$Salary \: o\! f \: manager = 133300-120000 = 13300$