If Tk. 4500 was invested in a share when the price per share was Tk. 90 and Tk. 30,000 was invested when the price per share was Tk. 60, what was the average price per share prchased?

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

If the cost of x litters unleaded CNG priced at Tk. 1.24 per litter is equal to the cost of x+2 litters of reg...

Which one of the following is the largest?

If the product of 20% of 85 and 40% of 45 is divided by 4, the result would be ---

The price of a loaf of bread was increased by 20%. How many loaves can be purchased now by the amount of money...

There were twice as many girls as boys in a class. If 30% of the girls and 45% of the boys have already handed...