The average monthly salary of 24 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 400. What is the manager's monthly salary ? Select the correct option.
A) Rs. 11,300
B) Rs. 11,500
C) Rs. 11,302
D) Rs. 11,301
E) Rs. 11,303
Explanation:   Manager's monthly salary   = Rs. (1900 x 25 - 1500 x 24) = Rs. 11,500   Answer:Rs. 11,500
<result>B</result>
The average monthly salary of 24 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 400. What is the manager's monthly salary ?