Question: 
In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800. The arithmetic mean of the annual incomes of Karim and Ripon was Taka 4800, and the arithmetic mean of the annual incomes of Ripon and Rahim was Taka 5800. What is the arithmetic mean of the annual incomes of the three?
1200
3200
2400
4800
None of them
Answer: 
1200
Last Updated: 
02/03/2021 - 23:13