At present the ratio between the ages of Arun and Deepak is 5:7. After 6years, Arun's age will be 36 years. What is the age of Deepak at present?	Choose the correct choice from the following choices:
A) 35years  B) 25years  C) 42years  D) 39years  E) 40years
Let the present ages of Arun and Deepak be 5x years and 7x years respectively   5x+6 = 36   5x = 30   x = 6   Deepak's age = 7x = 42years   Answer is 42years
<result>C</result>
At present the ratio between the ages of Arun and Deepak is 5:7. After 6years, Arun's age will be 36 years. What is the age of Deepak at present?