If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxes produced by Salam to the number of boxes produced by Kalam if they work for 5 hours and 50 minutes?

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 =

Ali bought 500 shares of company X at Tk. 600 and 2 months later bought another 250 shares of the same company...