At present, the ratio between the ages of Arun and Deepak is 4:3. After 6 years, Arun's age will be 42 years. What is the age of Deepak at present?  Choose the correct option:
A) 77 years B) 15 years C) 66 years D) 88 years E) 27 years
Let the present ages of Arun and Deepak be 4x and 3x years respectively.   Then, 4x + 6 = 42 =&gt; x = 9   Deepak's age = 3x = 27 years.   Answer: 27 years
<result>E</result>
At present, the ratio between the ages of Arun and Deepak is 4:3. After 6 years, Arun's age will be 42 years. What is the age of Deepak at present?