A : B =7:9 , B:C = 3:5 ആയാൽ A:B:C =?A7:9:5B7:9:15C21:35:45D7:3:15Answer: B. 7:9:15 Read Explanation: A : B = 7 : 9 = 3(7 : 9) = 21 : 27 B : C = 3 : 5 = 9(3 : 5) = 27 : 45 A : B : C = 21 : 27 : 45 = 7 : 9 : 15Read more in App