1. The average age of 8 persons in a committee is increased by 2 years when two men whose gases are 35 years and 45 years are replaced by two women. The average age of two women is (in years)
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By: anil on 05 May 2019 02.44 am
Let the average age of the women be A years. Total of their ages = 2A Total of the eight persons = ET When replaced (ET - 80 + 2A)/8 = ET/8 + 2 2A - 80 = 16 A = 96/2 = 48
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