If 32 – 7 – 62 = 0 find the value of : . Hence find the value of duplicate and triplicate ratio of : .
x3/y3 = 27/1
x3/y3 = 22/8
x3/y3 = 21/9
x3/y3 = 28/1
Find the compound ratio of: Duplicate ratio of 4 : 5 and triplicate ratio of 5 : 3.