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 Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
A. 3200
B. 1200
C. 2400
D. 4800
E. None of them
সঠিক উত্তরঃ
D.
4800
Explanation:
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