d The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy? | Job Exam Rare Mathematics (JEMrare) - Solved MCQs

The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?

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Arithmetic MCQ 8 (Average age given, calculation of individual age)

MCQ 8: The average age of three boys is 15 years a... »