A bakery opened with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon and 60% of the remaining rolls were sold between noon and closing time. How many dozen rolls were left unsold ?
A. 6
B. 8
C. 10
D. 12
Answer: Option B
Solution(By Examveda Team)
Number of rolls sold by noon = $$\frac{1}{2}$$ of 40 dozen = 20 dozenNumber of rolls sold between noon and closing time :
= 60% of 20 dozen
= $$\left( {\frac{{60}}{{100}} \times 20} \right)$$ dozen
= 12 dozen
Number of rolls left unsold :
= [40 - (20 + 12)] dozen
= 8 dozen
Related Questions on Percentage
A. $$\frac{1}{4}$$
B. $$\frac{1}{3}$$
C. $$\frac{1}{2}$$
D. $$\frac{2}{3}$$
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