The salaries of Vipin and Dinesh are in the ratio 5 : 8. If the salary of each is increased by ₹ 4,800, then new ratio becomes 7 : 10. What is Vipin's salary ?

₹ 12,000

                 Vipin : Dinesh

Income        5    :    8

After salary increased by Rs. 4800,

⇒ New Income ratio = Vipin : Dinesh = 7 : 10

⇒ (10 - 8) = 2 units = Rs. 4800

⇒ 1 unit = Rs. 2400

⇒ Salary of Vipin = 5 x 2400 = Rs. 12000.