Math, asked by sakifaisal8307, 19 days ago

Average age of all students in a class is 16 years. Out of which 40% are boys and the ratio of the average age of all girls to that of all boys is 6: 7. If there are fifty students in the class, then find the average age of all the boys.

Answers

Answered by priyanshusingh9503
0

Answer:

Let No of boys = No of girls = x

Avg age of whole class =

x+x

16×x+15×x

=

2

16+15

=15.5 years

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