If 8 dozens of bananas are purchased at the rate of Taka 30 per dozen and 12 dozens are purchased at Taka 25 per dozen, what rate per dozen it should be sold to make a profit of Taka 3 per dozen?

If 8 dozens of bananas are purchased at the rate of Taka 30 per dozen and 12 dozens are purchased at Taka 25 per dozen, what rate per dozen it should be sold to make a profit of Taka 3 per dozen? Correct Answer Taka 30

Total dozens of bananas bought = 8 + 12 = 20 dozens Total cost = 8×30 + 12×25 = 240 + 300 = 540 TK Cost per dozen = 540/20 = 27 TK Selling price per dozen at a profit of TK 3 per dozen = 27 + 3 = 30 TK
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