Aptitude Questions on Averages, Mixture and Alligations
Averages, Mixtures & Alligations: Aptitude Questions with Answers Review Averages, Mixture and Alligations concepts Q. 1 In a lively classroom of five students, the average age is 20 years. One day, a student who is 24 years old leaves the group and is replaced by a new student. Curiously, this change brings down the average […]
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