Find the compound ratio of (3:4), (4:5) and (1:2) is Options:  A) 1:2  B) 2:3  C) 3:10  D) 4:10  E) 3:2
Required ratio = 3/4 * 4/5 * 1/2 = 3/10= 3:10   Answer is 3:10
<result>C</result>
Find the compound ratio of (3:4), (4:5) and (1:2) is