A truck driver must complete a 180-mile trip in 4 hours. If he averages 50 miles an hour for the first three hours of his trip, how fast must he travel in the final hour?

A farmer has two rectangular fields. The larger field has twice the length and four times the width of the sma...

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

A box contains 48 balls some red and some black. Each of the followings could be the ratio of red to black bal...

Of the followings, which is the largest?

If an integer Y is subtracted from an integer X and the result is greater than X, then Y must be ---

If 2x+7=12, then what is the value of 4x-7?