The average salary of 20 workers in an office id Rs. 1900 per month . If the manger's salary is added , the average salary become Rs. 2000 p.m what is the manager's annual salary?
Correct Answer: None of these
Explanation:
Manager's salary per month
= Rs. ( 21 x 2000 - 20 x 1900 )
= Rs. 4000 ∴ Manager 's annual salary
= Rs. (4000 X 12 ) = Rs. 48000.
