Find the compound ratio of (1:2), (2:3) and (3:4) is Pick one
A) 1:2
B) 3:5
C) 5:7
D) 1:4
E) 2:1
Required ratio = 1/2 * 2/3 * 3/4 = 1/4 = 1:4   Answer is 1:4
<result>D</result>
Find the compound ratio of (1:2), (2:3) and (3:4) is