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Question
The mean monthly salary of 9 employees of an office is ₹ 72,000. When the salary of the manager is included, their mean becomes ₹ 80,000. Find the salary of the manager.
Sum
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Solution
Given:
Mean salary of 9 employees = ₹ 72,000.
Mean salary of 10 people (including manager) = ₹ 80,000.
Step-wise calculation:
1. Total salary of the 9 employees
= 9 × ₹ 72,000
= ₹ 6,48,000
2. Total salary of the 10 people
= 10 × ₹ 80,000
= ₹ 8,00,000
3. Salary of the manager
= ₹ 8,00,000 − ₹ 6,48,000
= ₹ 1,52,000
The manager’s salary is ₹ 1,52,000.
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