10 men can cut 15 trees in 2 hours. If 2 men leave the job, how many trees will be cut in 3 hours?

A Company makes a profit 6% on its first Tk. 10,000 of sales day and 5% an all sales in excess of Tk. 10,000 f...

When a certain number is divided by 7, the remainder is 0. But the remainder is not 0 when the number is divid...

If 18 identical machines required 40 days to complete a job, how many fewer days would have been required to d...

There are 20 members in a football squad. In electing a captain and a vice-captain, how many different outcome...

If 4 is subtracted from one-fourth of a number, the result in 20. Which of the following is the number ---

The area of a rectangle R with width 4 feet is equal to the area of a square S which has a perimeter of 24 fee...