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The average age of boys in the class is 16.4 years and that of the girls is 15.4years.

The ration of the number of boys to the number of girls in the class is

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The average age of students of a class is 15.8years.

The av

The av

The average age of students of a class is 15.8years.

The av

The av

In a class there are certain no. of boys andgirls.

If 15 gi

If 15 gi

The average age of 80 boys in a class is 15. The average age

In a class of 50 students, the average age of girls is 12.3

In a class of 60 students, the number of boys and girls part

Average age of students of an adult school is 40years.

120 n

120 n

The average age of a class is 19years.

While the average ag

While the average ag

The average age of a class is 15.8years.

the average age of

the average age of

The average age of a class is 15.8years.

The average age of

The average age of