Question
The average age of 10 men is increased by 2 years when
two of them whose age are 24 and 26 years replaced by two new men. The average age of the two new men is.Solution
Let the sum of age of 10 men = 10x And the age of two new men = y years According to the question 10x - 24 -26 + y = 10(x+2) 10x - 50 + y = 10x + 20 y = 70 Average age of New men = y/2 = 70/2 = 35 years
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