The average ages of three persons is 27 years. Their ages are in the proportion of 1:3:5. What is the age in years of the youngest one among them ? Choose the correct choice from the following answers:  A) 33  B) 77  C) 55  D) 09  E) 41
Let the age of three persons be x, 3x and 5x =&gt; 9x/3 = 27 = &gt; x = 9   Answer:09
<result>D</result>
The average ages of three persons is 27 years. Their ages are in the proportion of 1:3:5. What is the age in years of the youngest one among them ?