Ali bought 500 shares of company X at Tk. 600 and 2 months later bought another 250 shares of the same company at Tk. 560. At which price should he purchase additional 250 shares in order to have an average price of Tk. 580 per share?

In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are un...

A man buys some shirts and some ties. Shirts cost Tk. 7 each and the ties cost Tk. 30 each. If the man spends...

A restaurant meal costs Tk. 35.50 and there was no tax. If the tip was more than 10 percent but less than 15 p...

Hashem wants to put up fencing around three sides of his rectangular yard and leave a side of 20 feet unfenced...

Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is e...

If x and y are prime numbers, which of the following cannot be the sum of x and y?