Subject
Bank Exam
Topic
Bangladesh Bank AD 2012
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?
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?
ক)
3200খ)
1200গ)
2400ঘ)
4800Explanation
(Rahim+karim)/2+(Karim+ripon)/2+(Ripon+Rahim)/2=3800+4800+5800 So, (Rahim+Karim+Ripon)/3=14400/3=4800Related questions
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