If a:b=2:3 , b:c = 4:5 ,c:d = 6:8 , then a:d isA1 : 4B1 : 5C2 : 5D1 : 2Answer: C. 2 : 5 Read Explanation: a/b = 2/3 , b/c =4/5 , c/d = 6/8 a/b x b/c x c/d = 2/3 x 4/5 x 6/8 =2 : 5Read more in App