What is the age of Teja? _x005F_x000D_ A: Four years ago, Raju was as old as Teja is at present._x005F_x000D_ B: Sita’s present age is two times of Raju’s present age._x005F_x000D_ C: The average age of Teja and Sita is 19 years.

• A. Any two statements are sufficient to give answer
• B. Only C is sufficient
• C. All of three statements are necessary to give answer
• D. Even using all the three statements answer cannot be found