Which of the followng numbers is divisible by 3?

By selling a book at 600 taka, Salim makes a profit of 25% . What was the cost of the book in taka?

A cement mixture is composed of 3 elements. By weight, 1/3 of the mizture is sand, 3/5 is water and the remain...

On Dhaka- Sylet highway , 5% of the drives are fined for exceeding the speed limit. However , 80% of the drive...

If the average of 5 consecutive integers is 15 then what is the difference between the least and the greatest...

A rectangular plot of land has a fence along three of its four sides. The undenced side and the side opposite...