If an equilateral triangle is inscribed in a circle of area 48 π square units, then the perimeter of the triangle is:

A rectangular ground 16m long and 10m breadth. It has a gravel path 2.5m wide all around it on the outside. What is the area of the path?

The diameter of a circle is equal to the perimeter of a square whose area is 3136 sq cm. What is the circumference of the circle?

An open box is made of wood 3 cm thick. Its external dimensions are 1.36 m, 1.06 m and 8.3 dm. The cost of painting the inner surface of the box at 50 paise per 100 sq. cm (in Rs.) is 

Area of a circle inscribed in a square is 308 cm².The length of the diagonal of the square is

The height of a cone is 16 cm and radius of its base is 30 cm. If the rate of painting it is Rs.14/cm², then what will be the total cost in painting the curved surface of cone from outside?

The wooden box measure 20 cm by 12 cm by 10 cm. Thickness of wood is 1 cm. The volume of wood to make the box (in cubic cm) is 

A right pyramid stands on a rectangular base whose sides are 24 cm and 18 cm and on the shorter side, the slant height is 17 cm. Find the volume of the pyramid.