Number Of Women = 3/5×120 = 72
Number Of Men = 120-72 = 48
Number Of Married People = 2/3×120 = 80
Number Of Unmarried People = 40
If All Men Are Considered Married
Then Number Of Married Women = 80-48 = 32
Number Of Unmarried Women = 72-32 = 40
So Maximum Number Of Unmarried Women = 40