If 76 is divided into four parts proportional to 7,5,3,4 then the smallest part is	Choose the correct choice from the following answers:
A) 12  B) 15  C) 16  D) 19  E) None
Sol.   Given ratio = 7 : 5 : 3 : 4, sum of ratio terms = 19.   ∴ Smallest part = (76 x 3/19) = 12.   12nswer 12
<result>A</result>
If 76 is divided into four parts proportional to 7,5,3,4 then the smallest part is