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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 80% of the remaining rolls were sold between noon and closing time. How many dozen rolls had been sold when the bakery closed yesterday?

A. 2 dozen
B. 4 dozen
C. 5 dozen
D. 8 dozen
সঠিক উত্তরঃ B. 4 dozen
Explanation: