The average monthly salary of 12 workers and 3 managers in a factory w – McqOptions

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1.	The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager?%!
A.	640
B.	690
C.	420
D.	570
Answer» D. 570

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