The Duplicate Ratio of 2 : 7 is the compound of it by itself i.e. 4 : 49
The compound ratio of 2 : 7, 5 : 3 and 4 : 7 is 2*5*4 : 7*3*7 i.e. 40 : 147
The ratio same as 2 : 7 is 4 : 14
The ratio same as 5 : 6 is 25 : 30
Hence, the answer is Option B.
Create a FREE account and get: