"A bakery opened with its daily supply of 40 dozen rolls. Half of the were sold by noon and 60%
Channel: Doubtnut
Date: 2020-04-05

"A bakery opened with its daily supply of 40 dozen rolls. Half of the
 were sold by noon and 60% of the remaining rolls were sold between noon and
 closing time. How many dozen rolls were left unsold?
`6`
b. `8`
c. `10`
d. `12`"