The average age of 40 employees in a branch of a bank is 35 years. When a new employee joined the bank the average age increased to 35.5 years. What is the age of the new employee?

55.5

50.5

20.5

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উত্তর: 55.5

Total age of 40 employees = 40×35 = 1400 years Total age of 41 employees = 41×35.5 = 1455.5 years Age of the new employee = 1455.5 - 1400 = 55.5 years

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The average age of 40 employees in a branch of a bank is 35 years. When a new employee joined the bank the average age increased to 35.5 years. What is the age of the new employee?

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সম্পর্কিত অন্যান্য প্রশ্ন

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Ms. Lyla wants to put up fencing around three sides of her rectangular garden and have a side of 20 meter unfenced. If the yard has an area of 680 square meters, how many yards of fencing does she need?

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