If A exceeds B by 40%, B is less than C by 20%, then A : C is

Explanation:-

Let B = 100. Then,
A = 100 + 40% of 100 = 140.
Let C = X.
X - 20% of X = 100
0.8X = 100
X = 100/0.8 = 125. Therefore,
A : C = 140 /125 = 28 : 25.