Six men can complete a work in 5 days if they work for 8 hours per day. How many days will 4 men take to do the same work if they work only 5 hours per day?

A television producer sold 150 televisions in a special 6-day sale offer. During the sale offer, each day the...

Jamal has half the marbles that Malek has. Arif has 3 times as many as Jamal. together they have 72. How many...

Kalam loves chocolates. He can eat 32 of them in an hour. His brother Jamal needs 3 hours to eat the same amou...

For how many years does a person need to invest his Tk. 3,000 at 7% to earn Tk. 420 in simple interest?

If Munir gave Babu Tk. 8 and Babu gave Chinu Tk. 5, the three of them would have the same amount of money. How...

If the perimeter of a rectangular house is 44 yards, and the length is 36 feet, what is the width of the house...