मराठी

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. - Mathematics

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प्रश्न

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.

बेरीज
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उत्तर

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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पाठ 15: Statistics - Exercise 15C [पृष्ठ ३०३]

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नूतन Mathematics [English] Class 9 ICSE
पाठ 15 Statistics
Exercise 15C | Q 13. | पृष्ठ ३०३
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