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 ?

A 55.5
B 50
C 50.5
D 20.5

Correct Answer: 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
Bissoy MCQ
#গণিত #শতকরা (Percentage) #Dutch-Bangla Bank Ltd #Dutch-Bangla Bank Ltd - Management Trainee Officer - 09.10.2009

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