It is estimated that of living will increase by 8.50 percent per year. How much should a piece of candy cost in three years if it costs Tk. 1.50 today?

At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per...

Mr. jaman is insured completely for Tk. 150000 of damages to his machinaery . For any damage over Tk. 150000,...

the average of 5 numbes is 40 . If 2 more numbers with an avearge of 21, are added to these numbers, What will...

A merchant was selling an item at a price then marked it down 20% for a spring sale. During the summer, he mar...

Today jishan is twice as old as Farid and Samsu is 2 younger than Farid four years ago Jishan was 4 times as o...