The profit earned by selling an article for Tk 900 is double the loss incurred when the same article is sold for Tk 450. At what price should the article be sold to make 25% profit?

A man purchases two clocks A and B at a total cost of Tk 650. He sells A with a 20% profit and B at a loss of...

Fresh grapes contain 80 percent water while dry grapes contain 10 percent water. If the weight of the dry grap...

When 30% of one number is subtracted from another number, the second number reduces to its four-fifths. What i...

Tk.6000 becomes Tk.7200 in 4 years at a certain rate of simple interest. If the rate becomes 1.5 times of itse...

P and Q are two positive integers such that PQ = 64 Which of the following cannot be the value of P +Q?

Find the largest number of 5-digits which, when divided by 16, 24, 30 or 36, leaves the same remainder 10 each...