Reena took a loan of Tk. 1200 with simple interest for as many years as the rate of interest. If she paid Tk. 432 as interest at the end of the loan period, what was the rate of interest?

At what rate of compound interest per annum will a sum of Tk. 1200 become Tk. 1348.32 in 2 years?

The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of T...

In a 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by :

How many times do the hands of a clock coincide in a day?

A man buys Tk. 50 shares in a company which pays 10% dividend. If the man gets 12.5% on his investment, at wha...

একজন বিনিয়োগকারী ২৫০০ টাকার কিছু অংশ ৫% ও বাকি অংশ ৬% লাভে বিনিয়োগ করেছেন। তিনি বছর শেষে ৮০ টাকা আয় করে থাকলে...