Three years ago, Arjun’s age was double of Ajith’s age. Seven years hence, the sum of their united ages will be 83 years. The age of Arjun today is ?  Select
A) 47 years B) 45 years C) 35 years D) 24 years E) None of these
Let us consider Arjun’s age to be X,   X - 3 = 2 (Y - 3) or X - 2Y = - 3 ...(i)   (X + 7) + (Y + 7) = 83 or X + Y = 69 ...(ii)   Therefore, Y= 24, X = 45.   The age of X today = 45 years   ANSWER:45 years
<result>B</result>
Three years ago, Arjun’s age was double of Ajith’s age. Seven years hence, the sum of their united ages will be 83 years. The age of Arjun today is ?