The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 100. What is the manager's monthly salary?	Choose the most appropriate option:  A) 3600  B) 4000  C) 4500  D) 3500  E) 2500
Manager's monthly salary   = Rs. (1600 * 21 - 1500 * 20) = Rs. 3600   3600NSWER 3600
<result>A</result>
The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 100. What is the manager's monthly salary?