If 3 tailors can make 60 shirts per day, how many days will it take 6 tailors to make 120 shirts?

A trader purchased some pens for Tk. 150. If the price of each pen was Tk. 5 less, he would have got 5 more pe...

If a man was r years old s years ago, how many years old will he be t years from now?

If A : B= 1 : 2, B : C = 4 : 3 and A + B + C = 450, what is the value of B?

The length of a rectangle is increased by 50%. By what percent would the width have to be decreased to maintai...

Three workers can do a job 12 days. Two of the workers work twice as fast as the third. How long would it take...

The length of a room is 1.5 times of its breadth. If the area of the room is 216 sq. meter, what is the perime...