A person wishes to fence 375 m² rectangular garden. He has 65 m of barbed wire and is able to fence only three sides of the garden. What is the perimeter of the garden ?

A cone of height 16 cm and diameter 14 cm is mounted on a hemisphere…

A hollow spherical shell is made of a metal of density 7 g/cm³. If its…

A hemispherical bowl of internal radius 18 cm contains a liquid. The liquid is filled…

The length and breadth of a room are 21 m and 16 m respectively. If…

The minute hand of a clock is 21 cm long. What is the area on…