A carpenter needs 4 boards, each 2 feet 10 inches long,. If wood is sold only by the feet, what is the minimum length, in feet, of wood he must buy?

Rahim is two years older than Karim who is twice as old as Ashraf. If the ages of the three total 27 years, ho...

In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are un...

One-third of a cylindrical oil tank is filled. If 3 more liters are added, a half of the tank will be filled....

A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk. 30 each. If the man spends...

From the time 6:15 pm to the time 7:45 pm, of the same day, how many degrees does the minute hand of a standar...

A box contains 10 balls, some are red and some are black . Each of the following could be the ratio of the red...