A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day ?

At 3.40, the hour hand and the minute hand of a clock form an angle of :

The length of a rectangular hall is 5m more than its breadth. The area of the hall is 750m^2. The length of th...

When a commodity is sold for Tk. 34.80, there is a loss of 2%. What is the cost price of the commodity ?

A person travels a distance of 25 km at a speed of 75 km/hr and then comes back at twice the speed. How many m...

The radius of a circle is increased by 10%, Then the area is increased by what percent?

A shirt was marked down 20% the first week and another 20% the next week. What percent of the regular price wa...