The sum of ages of 4 children born at the intervals of 3 years each is 43 years. Find out the age of the youngest child?	Choose the correct choice from the following answers
A) 8 1/4 years
B) 6 1/4 years
C) 6 2/4 years
D) 6 3/4 years
E) 7 1/4 years
Let the age of the youngest child =a   Then, the ages of 4 children can be written as a,a+3,a+6 and a+9   a+a+3+a+6+a+9=43   4a+18=43   4a=25   a=6 1/4 years   ANSWER:6 1/4 years
<result>B</result>
The sum of ages of 4 children born at the intervals of 3 years each is 43 years. Find out the age of the youngest child?