Question

191. The average age of three boys is 15 years and their ages are in proportion 3: 5: 7. What is age in years of the youngest boy: ​

Answer 1

Answer:

Hi good morning

happy choti diwali

Step-by-step explanation:

Let the age of the youngest boy be x years, the age of the middle one be y years and the eldest be z years. Therefore, the sum of their ages is 45. Now it is also given that their ages are in the ratio 3 : 5: 7 respectively. Therefore, the age of the youngest boy is 9 years respectively.

Answer 2

Answer:

$\huge\mathfrak\pink{Hello \: good \: morning \: sis \: }$

$\huge{ {{\bf{\sf{wt \: r \: u \: dng \:}}}}}$