Math, asked by simransimran6541, 1 day ago

there are four boys. the average age of the first three boys in 8years. if the age of 4th boys is 12-year. find the average age of the 4boys

Answers

Answered by 1142727

0

Answer:

Total age of 3 boys =(25 × 3) years =75 years.

Ratio of their ages =3:5:7.

Age of the youngest = (75×

15

3

) years =15 years

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