Which of the following is a solution to the equation x+x2=1 ---

If the length of a rectangle is increased by 20% and the width is decreased by 20%, then the area is :

If 2x=7 and 3y=2, then what is the value of 9xy?

A truck driver must complete a 180-mile trip in 4 hours. If he averages 50 miles an hour for the first three h...

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...