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Q 2281523427.     In a class of `40` student, the average age of boys is `15` and that
of girls is `14`. The number of girls is one-fourth of the total
number of students. What would be the difference between
the total ages of the boys and girls?
IBPS-CLERK 2017 Mock Prelims
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)