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The average salary of 20 workers in an office is Rs 1900 per month. If the manager's salary is added, the average becomes Rs.2000 per month. The manager's salary (in Rs) is

2400

2520

4560

None of these

Explanation:

Total salary of 20 workers + manager = Rs.2000×21 = Rs.42000
Total salary of 20 workers = Rs.1900×20 = Rs.38000
Monthly salary of the manager = Rs.42000 - 38000 = Rs.4000

Hence, option 4 is the correct answer.

By: Amit Kumar

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