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Average salary of 20 workers in an office is Rs. 1900 per month, If manager's salary is added, average becomes Rs. 2000 per month. Find manager's salary?
1. Rs. 4600
2. Rs. 2400
3. Rs. 4000
4. Rs. 2220

1 Answer

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Best answer
Correct Answer - Option 3 : Rs. 4000

Given:

Average salary of 20 workers = Rs. 1900

Average salary of 20 workers and 1 manager = Rs. 2000

Formula used:

Total salary = Average salary × Number of persons

Calculation:

Total salary of 20 workers = 20 × Rs. 1900

⇒ Rs. 38,000

Total salary of 20 workers and 1 manager = Rs. 21 × 2000

⇒ Rs. 42,000

Salary of manager = Rs. 42,000 – Rs. 38,000

⇒ Rs. 4000

∴ The salary of manager is Rs. 4000

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