Tulsiram's salary is 20% more then that of Kashyap. If Tulsiram saves Rs. 720 which is 4% of his salary, then Kashyap's salary is :

Answer: Option A

Salary of Tulsiram
= Rs. $$\frac{720}{4}$$ × 100
= Rs. 18000
Salary of Kashyap
= 18000 × $$\frac{100}{120}$$
= Rs. 15000