In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 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 What is the arithmetic mean of the incomes of the three?
Solution
Correct Answer: Option D
(Rahim+karim)/2+(Karim+ripon)/2+(Ripon+Rahim)/2=3800+4800+5800
So, (Rahim+Karim+Ripon)/3=14400/3=4800
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