The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. What is the length of the rectangle?

What is the slope of the line given by the equation 3w - 7 = 6 - 2y?

The perimeter of a right-angled triangle is 60 cm. Its hypotenuse is 26 cm. The area of the triangle is

The points of intersection of the circle x2 +y2=34 and line y=5

A solid metallic spherical ball of diameter 6 cm is melted and recast into a cone with diameter of the base as 12 cm. The height of the cone is

If the perimeter of a square is 80, what is the area of the square?

A circular park has a path of uniform width around it. The difference between outer and inner circumference of the circular path is 132m. Its width is:

What will be the area of a semi-circle whose perimeter is 36cm?

XYZ is an equilateral triangle with vertices X (6, -2), Y (2, - 1) and Z (4, -2). If ZA is one of its medians find the length of the median

if the volume of a cube is 729 cm³, then the surface area of the cube will be