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 40 feet long rope is cut into two pieces. If one piece is longer than the other by 18 feet, what is the leng...

2 bats and 2 balls cost Tk. 300. 5 bats and 5 balls cost Tk. 750.3 balls and 3 bats cost ----

The sum of 5 consecutive integers is 105. The sum of the first 2 is -----

The interest charged on a loan is Tk. p per Tk. 1,000 for the first month and Tk. q per Tk. 1,000 for each mon...

A man invests Tk. 9,00,000 in a share earning Tk. 9 as dividend per share, when a share of face value of Tk.10...

A truck driver must complete a 180-mile trip in 4 hours. If he averages 50 miles an hour for the first three h...