The average age of 120 students in a group is 13.56 years. 35% of the – McqOptions

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1.	The average age of 120 students in a group is 13.56 years. 35% of the number of students are girls and the rest are boys. If the ratio of the average age of boys and girls is 6 : 5, then what is the average age (in years) of the girls?
A.	11.6
B.	10
C.	12
D.	14.4
Answer» D. 14.4

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