Three quantities a, b, c of a: b=1:2, b:c 2:3 then it continues as______...? Mcqs

Three quantities a, b, c of a: b=1:2, b:c 2:3 then it continues as______...?

(A) 3:4:5

(B) 2:3:4

(C) 1:2:3

(D) None of these