The percentage prof earned by selling an article an article for Tk. 1920 is equal to the percentage loss incurred by selling the same article for Tk. 1280. At what price should the article be sold to make 25% profit

Amin has 12 pieces of Tk. 10 and Tk. 5 notes in his wallet. If the total value of the notes is less than Tk. 95, what is the maximum number of Tk. 10 notes that he has?

A, B and C center into partnership . A invest 3 times as much as B invest B invest two, third of what C invests. At the end of the year, the profit is Tk. 6,600 What is the share of B?

A and B can complete a work in 15 days and 10 days respectively . They started doing the work together but after 2 days B and had to leave and a along completed the remaining work. The whole work was completed in how many days.

What will be the deposited amount at initial stage, if it become to Tk. 33,500 at the end of 5 years, with a simple interest rate of 13.5% per annual? How many years is will take to become Tk. 40,600 of the same deposit amount?