The length of the sonometer wire is 110 cm. It is divided into 3 segments having fundamental frequencies in the ratio 1:2:3. What should be the lengths of three parts
(A) 20 cm, 60 cm, 30 cm
(B) 30 cm, 60 cm, 20 cm
(C) 60 cm, 30 cm, 20 cm
(D) 20 cm, 30 cm, 60 cm