At present, the ratio between the ages of Akbar and Denial is 4:3. After 6 years, Arun’s age will be 26 years. What is the age of Deepak at present?
Choose one:
A) 5
B) 10
C) 15
D) 20
E) 25
Sol.   Let the present ages of Akbar and Danial be 4x years and 3x years respectively. Then,   4x + 6 =26 ⇔ 4x = 20 ⇔ x = 5.   ∴ Deepak’s age = 3x =15 years.   Answer 15
<result>C</result>
At present, the ratio between the ages of Akbar and Denial is 4:3. After 6 years, Arun’s age will be 26 years. What is the age of Deepak at present?