At a book fair, Danesh buys three pencils that cost TK.3.25 each and a color pen that costs TK. 5. Which expression represents the amount of change 'C' , he should get when paying with a TK.20 note ?

Rashed's average on 4 tests is 80. Assuming he can earn no more than 100 on any test, what is the least he can...

In creasing the original price of an item by 10%, then decreasing by 20% and then again increasing the price b...

At a certain bookstore , the regular price of each book is 20 percent less than its list price. If during a sa...

XYZ company sold 800 units of watches for TK.800 each and 1,000 units of watches for TK. 500 each. If the comp...

As yesterday is to tomorrow , so Monday is to -

In a magic show , every one who is not over six feet tall is seated in the first row. Accordingly the assistan...