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The average monthly salary of 30 workers is ₹35,000. The average salary of 10 junior staff is ₹25,000. What is the average salary of the remaining workers?

1. ₹ 37,500
2. ₹ 40,000
3. ₹ 42,500
4. ₹ 45,000

Correct answer: ₹ 40,000

Solution

Total salary of 30 workers = 30 × 35,000 = ₹10,50,000. Total salary of 10 junior staff = 10 × 25,000 = ₹2,50,000. Remaining 20 workers earn ₹8,00,000 in total, so their average salary is ₹40,000.

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