A man buys eggs at the rate of Tk. 7.2 per dozen eggs and sells them at taka 70 per 100 eggs. If his profit is Tk. 30, how many eggs did he buy?

A 120
B 180
C 200
D 300

Correct Answer: 300

Let the number of eggs he bought be D. Buying price per egg = 7.2/12 Selling price per egg = 70/100 So,   70D/100 - 7.2D/12 = 30 or,   7D/10 - 7.2D/12 = 30 or, (42D - 36D) / 60 = 30 or,  6D = 60 x 30 or, D = 1800 / 6 =  300.
Bissoy MCQ
#গণিত #লাভ-ক্ষতি (Profit and loss) #Mercantile Bank Ltd #Mercantile Bank Ltd - Officer - 2008

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