If the radius of a circle is increased by 6%, then the area of the circle is increased by ---

A person invested 2/3 th of his capital 3%, 1/6th at 6% and the remainder at 12%. If his annual income is Tk....

If y=(3x-6)/x, than for what values of x, y will be positive?

The cost of four rolls, six samuchas and three loaves of bread is Tk. 91. The cost of two rolls, three samucha...

If a, b, and c are three sides of a right angled triangle triangle, which of the following statements cannot b...

If a square mirror has a 20-inch diagonal, what is the approximate perimeter of the mirror, in inches?

The probability is 1/2 that a coin will turn up heads on any toss. If the coin is to be tossed three times, wh...