1 . At present the total age of Rahim, Karim and Akkas is 81 years. what was their average age three years ago?

• A. 78 years
• B. 72 years
• C. 24 years
• D. 29 years
• D. None of these

Answer: Option C

Explanation:

Present total age of 3 person  =  81 
3 years ago total age of 3 person  =  81       –       3      –      3      –       3  =  72 
So, their average age 3 years ago  =  72   +  3  =  24 years.