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The average age o 40 students in a class is 14 years 10 month. If by the admissionof 5 more students average age decrease by 2 months Find average age or newstudents(a) 13 5 year (b) 13 25 year (Ci 14 year (d) of these |
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Answer» none of these because it is decreasing by 2 months and |
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