If Taka 4,500 was invested in bonds of a corporation when the price per bond was Tk. 9.00 and Taka 3,000 was invested in bonds of another corporation when the price was Tk. 10.00 per bond, what was the average price of bonds purchased?

If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the nu...

One dozen of eggs and ten pounds of apples have the same price. If the price of a dozen of eggs rises by 10% a...

If Tk. 45,000 was invested in share market when the price per share was Tk. 90 and Tk. 30,000 was invested whe...

In a class of 120 students. 60 percent can speak French and the rest can speak English only. If 25 percent of...

A man has to go 10 km to catch a bus. He walks part of the way at 7 km/hr and runs the rest of the way at 12 k...

If mx+ny=12 my, then x/y +n/m =