The producer sells a good to the wholesaler at a profit of 20% and the wholesaler sells it to the retailer at a profit of 10%. What is the original price of the good (in Taka) if the retailer buys it for Tk. 244?

The length of a rectangular floor is one and a half times its breadth. What is the perimeter of the floor (in...

There are 900 students in a school. 4% of them left the school and 50% of the remaining are girls. How many gi...

68% of the candidates in a recruitment test have passed the written part of it. The number is 14 less than wha...

The price of sugar increased by 10%. What % of consumption of sugar is to be reduced in order to keep the expe...

If Tk. 4500 was invested in a share when the price per share was Tk. 90 and Tk. 30,000 was invested when the p...

An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on the...