A's salary is 50% more than that of B. Then B's salary is less than that of A by :

Answer: Option B

Let salary of B = 100
∴ Salary of A = 100 + 50% of 100 = 150
B salary is lesser then A = 150 - 100 = 50
Required %
= $$\frac{50}{150}$$ × 100 = $$33\frac{1}{3}$$%